NACE CIP Study Quiz - 528 Questions

March 22, 2017 | Author: Nanda Gopal | Category: N/A
Share Embed Donate


Short Description

Download NACE CIP Study Quiz - 528 Questions...

Description

1 1.

Corrosion is also called a. An electronic process b. An electro chemical process c. An instrumentation process d. All of the above

2. Which of the following is anodic with respect to steel in a sea water electrolyte a. Copper b. Magnesium c. Stainless steel d. Aluminum 3. Inert gases may be placed in confined spaces to reduce or prevent corrosion a. True b. False 4. The metal which absorbs more energy corrodes easy and fast. They are called a. Inactive b. Active c. Both a. and b. d. None of the above 5. Nucleus of an atom consists of a. Electrons b. Protons and Neutrons c. Protons and electrons d. All of the above 6. Electrons are added to neutral atoms, it becomes a. Negatively charged ion called anions b. Positively charged ion called cations c. It can be called either cations of anions d. None of the above 7. Intercoat delamination may be reduced by a. Selection of compatible paint vehicles in multi-coat systems b. Pretreatment of the substrate with soluble ferrous salts c. Uneven application thickness d. Painting over a damp surface 8. If a coating which cures by chemically induced polymerization is applied without the converter having been added first, the a. Converter may be sprayed on to complete the cure b. Coating will remain in a liquid state c. Coating may appear to dry, although it will not cure d. Coating may run or sag

2 9. Chalking a. Is the result of excessive DFT application b. Results from ultraviolet degradation of the resin c. Results from improper application d. Results from over thinning the coating 10. Chalking is best described as a. Heavy wrinkling of the coated surface b. The result of ultraviolet degradation of the paint binder c. Thin string like coating d. The result of over thinning 11. Curling or lifting can be caused by a. Solvent attacking an existing coating film b. Application of an incompatible coating over an existing coating c. Deterioration of a paint film due to old age a. and c. only b. only a. b. and c. c. only 12. Phenolic coating are very flexible a. True b. False 13. Which of the following coating types are often supplied in two components a. Moisture cured b. Oxidation cured c. Co-reaction cured d. Solvent cured 14. The type of coating that cures by heat induced polymerization is a. Phenolic b. Two component urethane c. Chlorinated rubber d. Polyurethane 15. Failure to add converter to base before application of a coating which cures by chemically induced polymerization may result in a. Moisture formation in spray lines b. Coating may appear to dry but does not cure c. Shortened pot life d. Extended curing time

3 16.

To extend the pot life of an epoxy coating, the applicator may a. Add more thinner b. Do nothing since the pot life should not be exceeded c. Heat the spray area d. Dehumidify the spray area

17. The percentage of metallic zinc dust by weight in the dried film of a zinc-rich coating is generally a. 20% - 30% b. 100% c. 75% - 95% d. 55% - 75% 18. Coatings which cure by oxidation are a. Resistant to running b. Resistant to sagging c. Generally limited to WFT of 5 mils d. Applied as thickly as possible to form a skin at the surface 19. Amine blush is an amber oily film which occurs on a. Alkyd coatings b. Epoxy emulsion coatings c. Epoxy amine coatings d. All epoxy coatings 20. An epoxy ester coating is a one package coating which cures by a. Oxidation b. Evaporation c. Reaction with moisture in the air d. Coalescence 21. The most important property of a primer for steel is its ability to a. Provide sacrificial protection b. Be applied easily c. Adhere to the steel d. Form a barrier coating 22. Kick out occurs when a. A true solvent is used to thin the coating for application b. The solids portion of a coating separates from the liquids portion c. Outdated coating materials are discarded d. RPM used for mixing is too high

4 23.

A pigment is a. A discrete particulate solid used to give specific decorative or protective properties to a coating b. The liquid base of a coating c. Used to make a solution of resin, which may dry to form a film d. Coating base which dissolves to form the coating film

24.

Which of the following is an advantage of airless spray compared to conventional air spray a. Easily adjustable atomization air b. Easily adjustable pattern width c. Faster production rate d. Equipment easier to clean

25.

Arcing a spray gun may cause a. Uneven application b. A spark hazard c. Excessive overspray

26.

With conventional air spray equipment, dry spray may be caused by a. No air pressure at the gun b. Plugged fluid tip c. Atomization pressure too high d. Too much thinner added during mixing

27.

If the inspector observes coatings or solvents being applied to a surface through an air hose in an air spray system, he/she should a. Look for other signs of poor practice b. Notify the foreman c. Record findings in a log book

28.

Accidental injection through the skin by airless spray a. Can be attended to at the end of the work shift b. Is a minor injury which does not require special attention c. May be life threatening d. Does not require a doctor’s attention

29.

Always ground the fluid hose used in airless spray to a. Improve atomization b. Reduce friction c. Reduce viscosity d. Prevent static sparking

30.

The use of respiratory equipment is not necessary when spray painting a. True b. False

5 31.

Many liquid coatings a. May be applied by brush, roller or spray b. Must be applied by using conventional air spray c. Must be applied by using airless spray d. Must be applied by using air-assisted airless spray

32.

The presence of oil or moisture in compressed air a. Is completely eliminated by moisture traps and oil separators b. Is not important during blow down operations c. Should be periodically checked with a white blotter or cloth d. Is not a problem when using air spray

33.

Check for holidays using a a. Paint inspection (Tooke) gauge b. Wet sponge type instrument c. Surface microscope d. Magnifying glass

34.

Non destructive test instruments properly used a. Damage the coating on which they are used b. Do not destroy the coating on which they are used c. Are used for laboratory testing only d. Are not used in failure analysis

35.

High voltage DC holiday detectors are used to test a. Non magnetic coatings applied to magnetic substrates b. Conductive coatings applied to non conductive substrates c. Magnetic coatings applied to non magnetic substrates d. Non conductive coatings applied to conductive substrates

36.

All magnetic DFT instrument magnets or probes must be held at a right angle to the painted surface to produce valid measurements a. True b. False

37.

Which of the following are the principal advantages of abrasive injected water blast over water washing a. Increased profile b. Increased production c. Reduced manpower hours

38.

Conventional air spray guns have adjustments for a. Air pressure from the compressor b. Fan width and fluid flow c. Size of the tip d. CFM of air required

6 39.

Fluid pressure in a conventional air spray fluid line is controlled by a. Fluid outlet valve setting b. Air pressure at the compressor c. Adjusting the pot regulator d. Squeezing the hose

40.

Generally, applicators do not need respirators when spray painting a. True b. False

41.

The paint inspection gauge (Tooke gauge) is a destructive test instrument a. True b. False

42.

According to SSPC–PA 2, always calibrate magnetic DFT (type 1) gauges a. Using a sample of bare steel treated in the same way as the steel b. Using shims of a known thickness c. As defined by the manufactures instructions or the specification d. Using plastic shims

43.

According to NACE RP0188-99, the search electrode of a high voltage holiday detector should be moved across the surface at approximately a. One meter (3.3 feet) per second with a single pass b. One foot (0.3 meter) per second with a single pass c. One foot (0.3 meters) per second with a double pass d. One meter (3.3 feet) per second with a double pass

44.

Depth of anchor pattern/surface profile will not affect DFT readings a. True b. False

45.

Air temperature has no effect upon relative humidity a. True b. False

46.

Magnetic DFT instruments a. Can be used on non ferrous substrates b. Are affected by vibration c. Are affected by air temperature d. Are affected by substrate temperature

47.

Always ground low-voltage DC holiday detectors to a. The operator b. The scaffold c. The substrate being tested d. A coated area on the structure

7 48.

There is no spark hazard associated with holiday test equipment a. True b. False

49.

A decrease in temperature will generally cause the corrosion rate to a. Increase b. Decrease c. Remain constant

50.

Dew point is the temperature at which a. Moisture vapor evaporates b. Moisture vapor condenses c. Moisture vapor increases d. Corrosion is slowed down

51.

Dew point is measured and calculated by using a. Steel surface thermometer b. Humidity indicator strips c. Sling psychrometer d. Anemometer

52.

Steel surface temperature during coating application should be a. The same a dew point temperature b. At least 5ºF (about 3ºC) below dew point temperature c. At least 5ºF (about 3ºC) above dew point temperature d. No more than 5ºF (about 3ºC) above dew point temperature

53.

A sling psychrometer directly measures a. Relative humidity b. Ambient temperature and wet bulb temperature c. Substrate temperature and wet bulb temperature d. Dew point

54.

Coating operations should not take place unless the substrate surface temperature is at least a. 40ºF (20ºC) higher than the dew point temperature b. 5ºF (3ºC) higher than the dew point temperature c. 5ºF (3ºC) lower than the dew point temperature d. 5ºF (3ºC) above freezing

55.

ISO 8503-1 comparators are available for which of the following abrasives a. Sand b. Grit c. Shot

8 56.

Workers exposed to hazardous levels of free silica dust, such as released during the sand blast cleaning process, may develop silicosis, which is a disease of the a. Liver b. Heart c. Lungs d. Stomach

57.

The presence of certain salt deposits such as ferrous sulfate or ferrous hydroxides may be determined by which of the following a. Visual inspection b. Test papers or chemical test kits c. Magnetic pull off DFT gauge d. Low voltage DC (wet sponge detector)

58.

The cathode of a corrosion cell a. Dissolves in the electrolyte b. Does nothing c. Has an opposite electrical polarity to the anode d. Is not considered to be part of the corrosion cell

59.

Nozzle pressure for manual blast cleaning is generally accepted to be a. 65 to 90 psi b. 90 to 100 psi c. 130 to 150 psi d. 130 psi and above

60.

Extra coarse Testex replica tape is used when it is expected that the depth of the anchor pattern/surface profile to be measured will be 3 mills (75 Microns) a. True b. False

61.

When following a specification for surface preparation standards, the inspector should not a. Ensure specified cleanliness standard is used b. Ensure surface is prepared as specified c. Require a cleaner surface than specified d. Verify that only specified materials are used

62.

If the coating inspector finds that the coating was applied thicker than specified he/she should a. Advise contractor and owners representative immediately b. Use good judgment in deciding whether or not deviation from the specification is allowable c. Require that the area be blasted down to bare metal and recoated d. Call the coating manufacture to solve the problem

9 63.

If the desired DFT of a coating is 100 microns, what wet film thickness will be required if the coating contains 100% VS? a. 50 microns (2 mils) b. 75 microns c. 100 microns d. 150 microns

64.

A well written coating specification should contain information regarding a. Surface preparation standards b. Safety c. Locations to be coated

65.

The coating inspector should require white metal surface preparation if a. Immersion surface is required b. Chemical resistance is required c. The specification calls for white metal d. The manufactures product data sheet recommends white metal

66.

The requirements of a project should be defined by the a. Coating inspector b. Coating contractor c. Project engineer d. Coating specification

67.

33 feet is approximately how many meters? a. 10 meters b. 15 meters c. 20 meters d. 30 meters

68.

It is the coating inspector’s responsibility to a. Recommend suitable protective coating systems for each job b. Be sure that the most economical bid for coating is obtained c. Be sure that the coatings used are the specified coatings d. Take the pre-job meeting minutes

69.

The coating inspector’s responsibility is to a. Verify compliance with specification requirements b. Adapt the specification to the realities of the situation c. Be the expert on coatings d. Direct the contractor’s safety meetings

70.

An inspector’s primary duty is to a. Observe actions of the contractor b. Report actions of the contractor c. Document actions of the contractor d. Enforce all safety rules

10 71.

Inspection of mixing and thinning operations is important a. Only when zinc rich coatings are used b. Only when inorganic zinc coatings are used c. Only when a new applicator is starting work d. Every time mixing and thinning is performed

72.

Corrosion is slower in hot environments than in cool ones a. True b. False

73.

Corrosion will generally not occur on metal substrate when a. It is cool b. The temperature is 40ºF or above c. The steel is completely immersed d. There is no moisture

74.

The rate of corrosion occurring at a hole scratch or other discontinuity of a coating film may be affected by a. The presence of electrolyte b. Adherent mill scale on the substrate c. The anode being in contact with the atmosphere

75.

Cations are attracted to a. Anode b. Cathode c. Both a. and b. d. None of the above

76.

During hot rolling of steel in steel plants. A blue black layer oxide is formed on the surface taking oxygen from air it is called a. Mill scale b. Oxide scale c. Rust scale d. None of the above

77.

Mill scale is a. Anode b. Cathodic c. Neutral d. None of the above

78.

One of the disadvantages of impressed current systems is capital investment is low a. True b. False

11 79.

Vehicle of a coating consists of a. Solvent b. Solvent and pigment c. Binder (or) resin solvents and additives d. Both a. and b.

80.

Primary solvents are mainly used to dissolve binder/resin a. True b. False

81.

Expansion for VOC is – Volatile Organic Compounds

82.

Lower the flash point a. Lower its flammability b. Higher its flammability c. Both a. and b. d. None of the above

83.

Lower explosive limit is highest concentration of solvent in air that can be ignited a. True Lower – Lowest concentration b. False Higher – Highest concentration

84.

Expansion for TLV is – Threshold Limit Value

85.

As temperature increases, the corrosion rate will Higher temperature will generally create higher corrosion rate (from Text) a. Increase b. Decrease c. Both a. and b. d. None of the above

86.

Most coatings are a. Impermeable b. Impermeable for a given period of time c. Permeable by water or water vapor d. None of the above

87.

Corrosion can be prevented by selection of a. Proper material selection b. Design and modification of environment c. Both a. and b. d. None of the above

(Corrosion control – more factors)

12 88.

If corrosion product is volatile then corrosion rate will a. Decreases b. Increases c. Both a. and b. d. None of the above

89.

Cathodic protection will not work on structures exposed to air environments a. True b. False

90.

Types of cathodic protection techniques are a. Sacrificial anode or passive system b. Impressed current or active system c. None of the above

91.

One of the advantaged of galvanic system is maintenance costs are minimal a. True b. False

92.

Viscosity is a a. Measure of a fluid’s resistance to flow b. Measure of a fluid’s volume to flow c. Both a. and b. d. None of the above

93.

Specific gravity (SG) is the square of density of any substance compared to the density of water a. True b. False

94.

What is the density of a paint if 20 liters weighs 24 Kgs? a. 1.3 g/cm3 b. 1.2 g/cm 3 c. 2.2 g/cm3 d. 2.3 g/cm3

95.

Always ground low voltage DC holiday detectors to the substrate being used a. True b. False

96.

There is no spark hazard associated with holiday test equipment a. True b. False

13 97.

Osmotic blistering is most likely to occur as a result of a. Airless spray application b. Over coating a surface contaminated with chemical salts c. Inadequate anchor pattern/surface profile d. Applying the coating too thin

98.

Inter coat delamination may be caused by a. Uneven application thickness b. Painting over damp surface c. Selection of compatible paint vehicles in multi coat system d. None of the above

99.

Chalking a. Results from improper application b. Results from over thinning the coating c. Is the result of excessive DFT application d. Results from ultraviolet degradation of the resin

100. Chalking is best described as a. Thin string like coating b. The result of ever thinning c. The result of ultraviolet degradation of the paint binder d. None of the above 101. Curling or lifting can be caused by a. Solvent attacking an existing coating film b. Deterioration of a paint film due to old age c. Application of an incompatible coating over an existing coating d. All of the above 102. A typical daily report should include a. Description of equipment and manpower b. Explanation of work stoppages c. Ambient conditions d. All of the above 103. Inspection reports should include which of the following a. Environmental conditions b. Coatings application c. Details of surface cleaning and materials d. All of the above 104. Which items are the basic principles in documentation by the inspector a. No blank spaces b. Reports written in ink c. Reports should be signed d. All of the above

14

105. Inspectors daily reports are used a. To provide continuity between inspectors b. To aid in arbitration between the contractor and client c. To help in cases of a coating failure d. All of the above 106. I.D. of the air supply hoses from compressor is ___ times diameter of nozzle a. 6 to 7 b. 2 to 3 c. 3 to 4 d. Any size 107. Blast pattern is non uniform in venture nozzles a. True b. False 108. UV light can be used for checking oil/grease a. True b. False 109. New steel is not homogenous and contains a. Anodes, cathodes and electrolyte b. Anodes, cathodes and metallic conductor c. Anodes, cathodes, metallic conductor and electrolyte d. None of the above 110. Chemical salts dissolved in an electrolyte generally contribute corrosion by a. Acting as anode b. Acting as cathode c. Increasing the speed of the electrolyte d. Increasing the rate of corrosion 111. Coatings can control corrosion or steel by a. Preventing electrolyte from contacting the metal surface b. Sacrificing themselves to protect the steel substrate c. Supplying the inhibitors to passivate the metal surface d. All of the above 112. Inspection reports should include which of the following? a. Cost of the abrasive b. Method of delivery of the abrasive c. Size and type of abrasive used d. None of these

15 113. A project conference is helpful for reviewing a. Safety procedures b. Application procedures c. Cleaning operations d. All of the above 114. The inspector should act as recording secretary during the pre-job meeting a. True b. False 115. Before attending the pre-job conference the coating inspector should a. Read and understand the specification b. Identify problems with the specification c. Walkthrough the work site d. All of the above 116. In case of conflict or a difference of opinion the coating inspector needs to a. Ignore this situation b. Leave the job site c. Listen to the opinions of others d. None of the above 117. Dew point is measured and calculated by using a. WFT gauge b. DFT gauge c. Sling psychrometer d. Anvil micrometer 118. The presence of salt deposits such as ferrous sulfate or ferrous hydroxides may be determined by a. DFT gauge b. Visual inspection c. Testex tape d. Test papers or chemical test kits 119. When following a specification for surface preparation standards, the inspector should not a. Ensure surface is prepared as specified b. Require a cleaner surface than specified c. Ensure specified cleanliness standard is used 120. Accidental injection through the skin by airless spray a. Does not require a doctor’s attention b. Is a minor injury which does not require special attention c. May be life threatening d. None of the above

16 121. Non convertible coatings cure by a. Polymerization b. Heating c. Solvent evaporation d. Water evaporation 122. Corrosion is slower in hot environments than in cool one a. True b. False 123. Inspection of mixing and thinning operations is important a. Only when organic zinc coatings are used b. Every time mixing and thinning is performed c. Only when strong solvent is used d. Only when strong binder is used 124. Type of coating that cures by solvent evaporation is a. Epoxy b. Phenolic c. Chlorinated rubber d. Polyurethane 125. The type of coating that cures by heat – induced polymerization is a. Phenolic b. Acrylic c. Polyurethane d. Chlorinate rubber 126. Ball mills are commonly used for smaller batch production a. True b. False 127. Single roll mills is mainly used for refining purpose after other milling operations a. True b. False 128. The most important property of primer for steel is its ability to a. Form a barrier coating b. Be applied easily c. Adhere to the steel d. None of the above 129. A pigment is a. A solid substance either organic or inorganic b. The liquid base of coating c. Used to make a solution or resin d. All of the above

17

130. Role of pigment a. Provide color b. Provide opacity c. Weather resistance d. All of the above 131. Powder coatings are basically a. Solvent based paints b. Solvent free paints c. Both a. and b. d. None of the above 132. In waterborne coatings, water is used as a solvent a. True b. False 133. No painting shall be carried out a. Below 40ºF b. Below 60ºF c. Below 45ºF d. Below 55ºF 134. For surfaces with complex contours a. Spray application is best b. Roller application is best c. Brush application is best d. All of the above 135. Oil base coatings a. Cure by oxidation b. Cure by heat induction c. Cure by polymerization d. None of the above 136. To extend the pot life of an epoxy coating, the application may a. Heat the coating b. Cool the spray area c. Do nothing since the pot life cannot be exceeded d. Add more thinner 137. About 80% premature coating failures are caused by improper surface preparation a. True b. False

18 138. SSPC VIS-1 Standard rust grade B is a. Steel surface covered with rust little or no pitting visible b. Steel surface completely covered with rust pitting visible c. Steel surface completely covered with adherent mill scale, little or no rust visible d. Steel surface covered with both mill scale and rust 139. SSPC VIS-1 Standard rust grade D is a. Steel surface covered with rust little or no pitting visible b. Steel surface completely covered with rust pitting visible c. Steel surface completely covered with adherent mill scale, little or no rust visible d. Steel surface covered with both mill scale and rust 140. Surface preparation of steel is grouped into two methods, they are a. Non-abrasive blast cleaning and pickling b. abrasive blast cleaning and flame cleaning c. Non-abrasive blast cleaning and abrasive blast cleaning d. All of the above 141. Where you will find information such as ingredients, exposure limits and flammability classifications of coatings a. Product data sheets b. Performance data sheets c. Material safety data sheets d. All of the above 142. SSPC standard for power tool cleaning is a. SSPC-SP 1 Solvent Cleaning b. SSPC-SP 2 Hand Tool Cleaning c. SSPC-SP 3 Power Tool Cleaning d. SSPC-SP 4 Flame Cleaning 143. NACE No. 1 / SSPC-SP 5 is a. Near white blast cleaning b. White metal blast cleaning c. Commercial blast cleaning d. Brush-off blast cleaning 144. NACE No. 2 / SSPC-SP 10 is a. Near white blast cleaning b. White metal blast cleaning c. Commercial blast cleaning d. Brush-off blast cleaning

19 145. NACE No. 4 / SSPC–SP 7 is a. Near white blast cleaning b. White metal blast cleaning c. Commercial blast cleaning d. Brush-off blast cleaning Sa 1 146. Chemical salts dissolved in an electrolyte generally contribute to corrosion by a. Acting as anodes b. Acting as cathodes c. Increasing the rate of corrosion d. Increasing the speed of the electrolyte 147. Use of an incorrect thinner may cause a coating to a. Change color b. Have better chemical resistance c. Have poor spray characteristics d. Have a higher solids content 148. Carbon steel will generally corrode if it is electrically connected in the presence of a suitable electrolyte with a. Copper b. Zinc c. Stainless steel d. Titanium 149. A typical daily report will include a. Description of equipment and manpower b. Explanation of work stoppages c. Ambient conditions d. Inspectors opinion of the contractor 150. Inspection reports should address the a. Size and type of abrasive used b. Size but not the type of abrasive used c. Cost of the abrasive used d. Color of the abrasive 151. Inspection reports should include which of the following a. Environmental conditions b. Details of surface cleaning and materials c. Coatings application 152. Which items are the basic principles in documentation by the inspector a. Reports written in ink b. No blank spaces c. Reports should be signed d. Reports must be printed

20

153. The coating contractor’s questions about enforcing the coating specification should best be brought up a. With the specification writer b. At the pre-job conference c. With the coating manufacturer d. To the inspector 154. Before attending a pre-job conference, the coating inspector should a. Read and understand the specification b. Identify problems with the specification c. Walkthrough the worksite 155. Solvents are added to coating formulations to a. Dissolve binder and form liquid coating b. Provide color c. Decrease film permeability d. Increase film permeability 156. The required sequence of work within a specification on a project is a. Not important as long as they all get done b. Crucial to the successful outcome of the project c. Up to the contractor d. Determined at the pre-job conference 157. Inspectors daily reports are used for which of the following a. By the contractor to estimate the amount of work done that day b. To provide continuity between inspectors c. To aid in arbitration between the contractor and client d. To help in cease of a coating failure 158. A pre-job conference is helpful for reviewing a. Safety procedures b. Cleaning operations c. Application procedures 159. The inspector’s method of marking defects a. Should not be an issue b. Should be settled during the pre-job conference c. Is not important d. Should be determined by the painting contractor. 160. The coating inspector should act as recording secretary during the pre-job meeting a. True b. False

21 161. Dew point is a. The temperature at which water will evaporate b. Not important once the first coat of a multi coat system has been applied c. The temperature at which water vapor will condense to form a liquid d. All of the above e. None of the above 162. A specification should specify one number as the exact depth of anchor pattern/ surface profile a. True b. False 163. The metric equivalent of 1000 psi (pounds per square inch) is a. 70 kilograms/square centimeter b. 6.9 Mpa c. 6,900 kPa d. All of the above e. None of the above 164. Galvanic, or sacrificial primers may protect a steel substrate by a. Providing electrochemical protection to the steel b. Acting as a tie-coat with additional coats c. Grounding the structure d. All of the above e. None of the above 165. Only the inspector’s supervisor should have a copy of the coating specification a. True b. False 166. Fabrication defects: a. May cause premature failures b. Should be corrected prior to coating application c. Require special attention during application d. All of the above e. None of the above 167. The coating specification defines the requirement of a project a. True b. False 168. Written minutes of the pre job conference should be distributed to a. The coating inspector only b. Owners representatives only c. All parties present at the conference d. All of the above e. None of the above

22

169. Skip (stitch) welded joints a. Allow electrolyte to enter b. Normally present an uncountable situation c. Should be seal welded or caulked d. All of the above e. None of the above 170. Most chemically cured coatings will not cure properly unless applied at temperatures of at least 50ºF (10ºC) and rising a. True b. False 171. The effects of corrosion include a. Cost b. Safety c. Appearance d. All of the above e. None of the above 172. A well written coating specification contains information regarding a. Surface preparation standards b. Safety c. Locations to be coated d. All of the above e. None of the above 173. Protective breathing equipment is necessary only when sand abrasive is used in blast cleaning a. True b. False c. Cannot be determined d. None of the above 174. The metric unit micron is a. One thousandth (1/1000) of a millimeter b. One thousandth (1/1000) of a meter c. One thousandth (1/1000) of a mil d. All of the above e. None of the above 175. A trigger safety is always required on airless spray guns a. True b. False c. Cannot be determined

23 176. Low voltage DC Holiday detectors are generally useful on coatings up to thickness of (According to RP0188-90) a. 5 mils (125 microns) b. 20 mils (500 microns) c. 50 mils (1250 microns) d. All of the above e. None of the above f. Cannot be determined 177. The airless guns should be held at right angles to the painted surface to produce best coating a. True b. False c. Cannot determine 178. All magnetic DFT instrument magnets or probes must be held at a right angle to the painted surface to produce valid measurements a. True b. False c. Cannot be determined 179. If the voltage of a high voltage holiday detector is set too high, the coating may be damaged a. True b. False c. Cannot be determined 180. High voltage DC holiday detectors are used for conductive coating applied to nonconductive substrates a. True b. False c. Cannot be determined 181. Leaks in airless spray fluid hoses should be a. Repaired by using a suitable tape wrapping system b. Spliced with polymer seal c. Cannot be repaired, the hose should be discarded 182. One mil is equal to a. 25.4 microns b. One millionth of an inch c. 1 mm

24 183. You are inspecting a coating project where airless spray equipment is in use. You notice a large bulge in one of the airless fluid hose connections to a pressure pump and an airless gun which is currently in use. Your reaction should be a. Ignore it, its the contractor’s problem b. Step up and take a closer look c. Leave immediate area quickly and advise the contractors, safety supervisor or responsible party 184. Which of the following is an advantage of airless spray compared to conventional air spray a. Easily adjustable atomization air b. Easily adjustable pattern width c. Faster production rate 185. Accidental injection through the skin by airless spray is minor injury, which does not required special attention a. True b. False c. Cannot be determined 186. The thickness of a calibration shim can be confirmed using a a. Fixed probe eddy current DFT instruments b. Microscope c. Micrometer d. All of the above e. None of the above f. Cannot be determined 187. Loose iron filling will not affect magnetic DFT readings a. True b. False c. Cannot be determined 188. A conventional air spray pressure pot should have how many pressure regulators with gauges a. Zero b. One c. Two d. All of the above 189. The essential parts of a corrosion cell are a. Anode, cathode, electrolyte, metallic pathway b. Electrolyte, water, copper, and zinc c. Cathode anode, zinc and metallic pathway d. All of the above e. None of the above

25 190. Use of an incorrect thinner may cause a coating to have poor spray characteristics a. True b. False c. Cannot be determined 191. A qualitative test for soluble ferrous salts is a test that only indicates whether or not any soluble ferrous salts are present a. True b. False c. Cannot be determined 192. Steel shots may peen the surface a. True b. False c. Cannot be determined 193. When performing the impresser hardness test on GRP lamination, it is good practice to perform the test before application of gel coat its possible and its not possible, repair the gel coat carefully after performing the test to prevent ‘Wicking’ a. True b. False c. Cannot be determined 194. Dreager tubes are capable of detecting/determine a. Level of solvent vapor b. Oxygen level c. Toxicity level d. All of the above e. None of the above 195. Most modern DFT gauges are permanently calibrated eliminating the need to check for calibration accuracy a. True b. False c. Cannot be determined 196. Solvent based inorganic zinc rich coatings require a. Temperatures between 18ºC and 288ºC to cure b. Between 50% to 90% RH to cure c. Presence of organic solvent vapor to cure d. All of the above e. None of the above

26 197. High application temperatures may cause a. Slow cure of the coating b. Solvent to evaporate too quickly c. Additional thinner required in the material d. All of the above 198. Amine blush is an amber oily film which occurs on alkyd coatings (Epoxy amine) a. True b. False c. Cannot be determined 199. All Phenolic coatings are very flexible a. True b. False c. Cannot be determined 200. Thermoplastic powder coating material softens and becomes fluid each time when they are heated a. True b. False c. Cannot be determined 201. The corrosion resistance of the corrosion resistant cementatious product is usually constant throughout the same PH a. True b. False c. Cannot be determined 202. Common understanding by all parties of the intent of the specification is most important to the success of the maintenance coating operations a. True b. False c. Cannot be determined 203. A stripe coat of primer may be applied to welds, edges, etc. to improve penetrations and coverage. a. True b. False c. Cannot be determined 204. Transparent tape may be used to determine whether or not residues of abrasive dust remain on the surface after abrasive blast cleaning a. True b. False c. Cannot be determined

27 205. A gunite mixture that has too much liquid will a. Cure too hard b. Trend to slump or not hold to the surface c. Not cure at all d. None of the above 206. The best anchor pattern results from a. Water blasting b. Power wire brushing c. Abrasive blast cleaning d. All of the above 207. Different curing mechanisms a. Require different ambient conditions b. Are the same for all coatings c. Require warm temperature to react d. All of the above e. None of the above 208. Ambient conditions have no effect on coating operations a. True b. False c. Cannot be determined 209. When an applicator is seen using poor spray painting technique, the coating inspector should a. Insist that the worker be replaced b. Show the worker how to apply correctly c. Inspect the work very carefully for defects d. All of the above e. None of the above 210. A waterborne coating uses only water as the vehicle a. True b. False c. Cannot be determined 211. Eddy current DFT instrument may be used to measure the coating thickness of ferrous and nonferrous metallic substrates a. True b. False c. Cannot be determined 212. Hardness test are affected by ambient condition a. True b. False c. Cannot be determined

28 213. Generally when using Eddy current instrument to determine the thickness of the coating, the minimum substrate thickness should be at least a. 4 mm b. 6 mm c. 8 mm d. All of the above e. None of the above 214. When 2X tip is used, the paint inspector (Tooke) gauge (US model) a. The reticle unit equal 2 mils of the coating thickness b. Two reticle unit equals 1 mil of the coating thickness c. All of the above d. None of the above 215. Calibrate eddy current DFT instruments a. Daily b. No closer than 1-inch from the edge of the shim c. As often as necessary to ensure accurate measurements d. All of the above 216. Inspection of rail tank car calls for special inspection consideration, in part due to a. Possible contamination of the transport product b. Specialized coating used for lining rail car c. Require thoroughness of surface preparation d. All of the above 217. Polymer cements are aggregate field resins used for industrial flooring and drain systems a. True b. False c. Cannot be determined 218. When inspecting glass lining, the inspector should undertake a hollow sound hammer test to detect voids a. True b. False c. Cannot be determined 219. Waterborne coatings cure by water evaporation a. True b. False c. Cannot be determined

29 220. Solvent sensitivity (also known as ‘solvent wipe’) test is a test for a. Entrapped solvents in the lining material b. Proper care of coatings which cure by chemically induce polymerization c. Proper care of coatings which cure by solvent evaporation d. All of the above e. None of the above 221. Fire retardant containing pigments decrease the rate of burning across the surface a. True b. False c. Cannot be determined 222. An organosal may be a. Thermoplastic b. Thermoset material c. All of the above 223. Waterborne coatings must be stored above 0ºC (32ºF) a. True b. False c. Cannot be determined 224. NACE standards address only metallic substrates a. True b. False c. Cannot be determined 225. The NACE Guide in Qualification of Tradesman Industrial Painters is a NACE Standard a. False b. Cannot be determined c. True 226. Water reducible epoxy coating are cured by a. Water evaporation b. Solvent evaporation c. Cross-linking polymerization d. All of the above e. None of the above 227. A corrosion inhibitor is a substrate which, when added to an environment, decrease a rate of attack by that environment on the material a. True b. False

30 228. Before each coating project you, as the coating inspector, should critique the specifications and make any appropriate changes a. True b. False c. Cannot determine 229. All field inspection should be conducted in pre-agreed sequence a. True b. False c. Cannot determine 230. The coating inspector insures that all phases of the job are done in the order and method specified a. True b. False c. Cannot determine 231. Daily reports should only address the size of the abrasive used, not the type and size a. True b. False c. Cannot determine 232. Corrosion is slow in hot environment a. True b. False 233. _______ is anodic to carbon steel when both are in sea water a. Zinc b. Copper c. Plastic 234. Corrosion of steel will occur at the same rating no matter what the environment a. True b. False c. Cannot determine 235. The coating inspector should be willing to listen to any problems a contractor may be having in meeting the specification a. True b. False c. Cannot be determined 236. The order in which the steps of a coating project are done is not important as long as they all got done a. True b. False

31 237. Solvent base inorganic zinc rich coatings require a. A final bake at temperature between 0ºF (5ºC) and 550ºF (232ºC) b. Over 50% RH to cure c. Presence of organic solvent vapor to cure d. All of the above 238. Anchor pattern depth can be varied by a. Very blast pressure b. Very particle size c. Very type of abrasive d. All of the above e. None of the above 239. Check abrasive blast pressure at the a. Compressor b. Blast nozzle c. At the blast surface d. All of the above e. None of the above 240. Amine blush can result from a. Application of spray coating during hot dry condition b. Application of epoxy coatings during wet damp conditions c. Faulty spray technique d. All of the above 241. Hardness test are performed at the direction of the coating inspector a. True b. False 242. Shims used to calibrate electromagnetic Type 2 DFT instruments should be made of plastic or non-magnetic metals a. True b. False 243. ‘The Cross-hatch’ adhesion test measures adhesion as a function of the pull required to separate the test dolly from the surface a. True b. False 244. As soon as the coating inspector discovers a deviation from the specification, they should always shut down the job completely a. True b. False

32 245. The most common thick insulating foam formulations are a. Polyvinyl chloride b. Epoxy, urethane, silicone c. Applied in thickness from 10-20 mils d. All of the above e. None of the above 246. Waterborne coating is cured by water evaporation a. True b. False c. Cannot determine 247. The moisture contents of concrete applied as weight coating is very critical and is usually in the range of ______ water a. 3.8 - 4.4% b. 5.5 - 6.2% c. 4.5 - 6.7% d. All of the above e. None of the above 248. Efflorescence is caused by a. Abrasive blasting b. Moisture passing through the concrete c. Form release oil d. All of the above e. None of the above 249. Soluble chemical salts on the steel substrate may promote corrosion after the steel has been coated a. True b. False c. Cannot determine 250. Use electro magnetic instruments for determining DFT of magnetic coating on nonferrous substrate a. True b. False c. Cannot determine 251. Usually the paint inspector (Tooke) gauge can be restored to accurate calibration by a. Realignment of the depth of cut set screw b. Replace the reticle c. Replacement of worn cutting tips d. All of the above

33 252. According to ASTM 3359 for coating with DFT less than 2 mils total, the cross-cut tape test for adhesion is performed using ______ made in each direction at the right angle to each other a. Six cuts - 1 mm apart b. Six cuts - 2 mm apart c. Eleven cuts - 1 mm apart 253. Use the cross hatch tape test method of adhesion testing for all thickness of coatings a. True b. False c. Cannot determine 254. Use the paint inspector (Tooke) gauge to measure total coating thickness of individual layers of coating in multi-coat films a. True b. False c. Cannot determine 255. Calibrate Eddy Current DFT instruments a. Daily b. No closer than one inch from the edge of the shim c. As often as necessary to ensure accurate measurement d. All of the above e. None of the above 256. In some shop operations, the process of blasting and painting can be handled in an in-line operation a. True b. False c. Cannot determine 257. Conventional spray guns are stored in a solvent a. Good result - equipment clean b. Problems - solvent attack on plastic parts c. Good result painters are careful - pride in work d. All of the above e. None of the above 258. Dry abrasive blast removes grease a. True b. False c. Cannot determine

34 259. Steel delamination are repaired at a Fusion Bonded Epoxy application plant by a. Grinding b. Wire brushing c. Hammering flat d. All of the above e. None of the above 260. The corrosion resistance of corrosion resistant cementious products is usually consistent throughout the full PH range a. True b. False c. Cannot determine 261. The primary installation method for brick and tile lining system is the Bricklayers Method a. True b. False c. Cannot determine 262. The only way to install a membrane and tile system is to hot apply the membrane a. True b. False c. Cannot determine 263. A chopper is used to cut FRP materials before application a. True b. False c. Cannot determine 264. A centrifugal wheel blast operation required a continuous supply of compressed air to ensure correct anchor pattern a. True b. False c. Cannot determine 265. The time required between coats of material is normally stated on the technical datasheet a. Varies based on ambient temperature b. Should be review by the inspector prior to starting of job c. All of the above d. None of the above 266. Problems with a coating specification should be resolved at the pre-job conference a. True b. False c. Cannot determine

35 267. In outside environments, the steel temperature can be a. The same as the ambient temperature b. Below the ambient temperature c. Substantial higher than the ambient temperature in direct sun d. All of the above e. None of the above 268. The profile meter is the instrument most frequently used to measure depth of anchor pattern/surface profile a. True b. False c. Cannot determine 269. What degree of white is required by NACE 2? a. 100% b. 95% c. 66% d. All of the above e. None of the above 270. As long as every step of the coating project is within the specification, complete and accurate records are not very necessary a. True b. False c. Cannot determine 271. The surface temperature should only be taken at the coldest area a. True b. False c. Cannot determine 272. Cleanliness of air supplied to a conventional spray gun is not important because the air is not in contact with coating long enough to mixing to occur a. True b. False c. Cannot determine 273. The presence of oil or moisture in compressed air a. Is avoided completely by moisture traps and oil separators b. Is not important during blow down operations c. Should periodically be checked by white blotter or cloth d. All of the above 274. Extra coarse replica tape is used when it is expected that the depth of the anchor pattern or the surface profile to be measured will be 3 mils a. True b. False

36

275. A coating specification calls for a DFT range of 4-6 mils. The coating has 32% solids volume and is not thinned, what WFT range will field an acceptable range? a. 1.28-1.92 mils b. 5-8 mils c. 13-19 mils d. All of the above 276. A PIG gauge (Tooke) is usually supplied with 3 tips a. 1x, 2x, and 3x b. 1x, 5x, and 10x c. 1x, 2x, and 10x d. All of the above e. None of the above 277. If necessary, the inspector should verify the thickness of a shim used to calibrate by personally measuring it with a micrometer a. True b. False c. Cannot determine 278. FURAN coatings are highly elastic and resilient a. True b. False c. Cannot determine 279. A chopper attachment is used when applying coating with short pot life a. True b. False c. Cannot determine 280. FURAN generally a. Have poor chemical resistance b. Have good chemical resistance c. Are mainly suitable for application to non-porous substrates d. None of the above 281. Determine the softening point of an asphalt enamel/coal tar enamel coating using a. High voltage DC Holiday detector b. Pencil hardness test c. Ring and ball test d. All of the above e. None of the above

37 282. Hardness test use scales which are uniform between different types of instruments (Bar-col = Rockwell = Brinell = Vickers) a. True b. False c. Cannot determine 283. A major benefit of corrosion-resistant cementitious products is that they have a high temperature operation ranges up to 2,000ºC (about 3,000ºF) a. True b. False c. Cannot determine 284. Special design requirements must be used when applying monolithic corrosion-resistant cementatous products, particular as related to a. Maximum ambient temperature b. Minimum ambient temperature c. Construction feathers such as expansion joints d. All of the above e. None of the above 285. Concrete will not allow moisture to pass through it a. True b. False c. Cannot determine 286. Laintenance is a weak surface layer on the concrete a. True b. False c. Cannot determine 287. Shims used to calibrate electromagnetic DFT instruments should be made of plastics a. True b. False c. Cannot determine 288. Coating inspector records are important for the following reasons a. Required for failure analysis b. Help in the change of inspector c. Document performance of job d. All of the above e. None of the above 289. Commercial blast cleaning is the same as brush-off blast cleaning a. True b. False c. Cannot determine

38 290. Successful completion of NICITCP automatically qualifies a coating inspector as an environmental protection specialist a. True b. False c. Cannot determine 291. Acid etching of concrete is applying a dilute acid solution to a. Remove soluble salts and smooth the surface b. Remove laitenance and roughness the surface c. Remove and release oils and neutralize the surface d. All of the above e. None of the above 292. Steel grit is mostly commonly used in a. Wheel blast operation b. Manual blast operation c. Wet blast operation 293. A pigment is a. A discrete particular solid used to give specific decorative or protective properties to a coating b. The liquid base of a coating c. Used to make a solution or resin which may dry to form a film d. None of the above e. All of the above 294. Hot melt asphalt is one of the coating that may be used as a membrane for acid proof brick linings a. True b. False c. Cannot determine 295. A ‘chopper’ is used to trim GRP material before application a. True b. False c. Cannot determine 296. In some shop operations, the process of blasting and painting can be handled in an in-line operation a. True b. False c. Cannot determine 297. A centrifugal spray head propels chopped glass fibers into the sprayed coating material a. True b. False c. Cannot determine

39

298. ______ is a disadvantage of electromagnetic spray a. Poor coverage b. Excessive overspray c. Generally only one coat can be applied electrostatically d. All of the above 299. Centrifugal blast systems are always in large stationery shops a. True b. False c. Cannot determine 300. SSPC PA1 requires that magnetic DFT (Type 1 banana) gauges be calibrated using a. A sample bare steel treated by the same way as the steel being coated b. NIST (NBS) standard c. Depends on specifications 301. Commonly used airless spray pumps deliver the coating at a fluid pressure in the general range of a. 69-138 KPA (10-20psi) b. 138-1380 KPA (20-200psi) c. 2750-27500 KPA (400-4000psi) 301. The inspector gauge (Tooke) is a destructive test equipment a. True b. False c. Cannot determine 302. Use 10x paint inspector (Tooke gauge) to determine the thickness of a. Thick film b. Moderately thick coat c. Thin film d. All of the above 303. Hardness readings a. Are not affected by ambient conditions b. Are affected by ambient conditions c. Should only be performed in the absence of ambient condition 304. Hardness reading are measured by a. Using Bar-col scale b. Use ASTM D3369/A c. Use many scales, some of which can be correlated d. All of the above e. None of the above

40 305. Chlorinated rubber coating are cured by solvent evaporation a. True b. False c. Cannot determine 306 Electromagnetic DFT instruments are unaffected by large masses of steel a. True b. False c. Cannot determine 307. When a vessel is to be lined with acid proof brick, a membrane lining is usually also installed a. True b. False c. Cannot determine 308. SSPC SP6 is a specification a. From SSPC for cleaning steel to a commercial blast grade b. NACE near white metal c. SSPC (near white) metal 309. Polyurethane is thermoplastic material a. True b. False c. Cannot determine 310. Instrument coating forms a layer of foam when exposed to elevated temperature a. True b. False 311. When a waterborne coating is applied to a cold (
View more...

Comments

Copyright ©2017 KUPDF Inc.
SUPPORT KUPDF