Building Utilities & Building Technology_Compiled Reviewers

Q.1) Which of the following is NOT a description of a downfeed and gravity return system? A. Hot water rises on the highest point of the plumbing system and travels to the fixturea. Hot water rises on the highest point of the plumbing system and travels to the fixture by gravity. B. Overhead feed and gravity system C. With a continuing network of pipes to provide a constant circulation of water. Q.2) What type of wire or cable with specification as building wire for wet and dry locations with an operating temperature of 75 degrees centigrade? (EL 023) A. THW-oil B. XHHW C. USE

Q.3) is the vertical clearance of unguarded rigid energized parts, over 750 V to 22 kV over roofs accessible to vehicles but not subject to truck traffic. (NBC p. 213) A. 3800 mm B. 4000 mm C. 3900 mm Q.4) The materials widely used as an insulation covering in electric cables which are made of metal and phenollic compound. (CDEP IV-25) A. Bakelite B. Mica C. Polyester nylon

Q.5) In refrigerating systems containing more than _____________, stop valves shall be installed in inlets and outlets of compressors, outlets of liquid receivers, and in liquid and suction branch headers. (NBC 220) A. 7 kilograms B. 8 kilograms C. 9 kilograms Q.6) . The maximum developed length of the trap arm of a water closet or similar fixture shall not exceed to _______. A. 1.8 m B. 1.5 m C. 0.60

Q.7) An air-conditioning system in which high velocity ducts supply conditioned air from a central plant to each zone where it mixes with room air and is further heated or cooled in an induction or fan-coil unit. (ME 047) A. dual-duct system B. all-water system C. air-water system Q.8) A single number rating of the performance of a building material or construction assembly in preventing the transmission of airborne sound, derived by comparing the laboratory TL test curve for the material or assembly to a standard frequency curve. (LA 014) A. impact insulation class B. airborne sound transmission C. sound transmission class

Q.9) An empirically determined index, which combines into a single value the effect of temperature, humidity and air movement on the sensation of warmth or cold felt by the human body. The numerical value is that of the temperature of still saturated air which could induce an identical sensation. (ME 030) A. Design Work Pressure B. Effective Pressure C. Effective Temperature Q.10) The toothed portion of the threshold plate at both ends of an escalator or moving walk, designed to mesh with the groove surface of the moving steps or tradeway. (ME 013) A. combplate B. track C. newel

Q.11) A factory assembled conductors insulated with a highly compressed refractory mineral insulation enclosed in a liquid and gas tight continuous copper sheath. To maintain its integrity termination are made with compression rings, glands and sealing compounds. (CDEP IV-20) A. Metal clad cable type MC B. Armored cable type ACL C. Mineral insulated cable type MI Q.12) A type of urinal with a perforated water filled pipe & with drains at the floor level and traps underground. A. stall B. pedestal C. through

Q.13) The minimum allowable clearance from the highest point of the roof to the service drop conductor as per National building code: (NBC p. 212) A. 2.50 m. B. 3.00 m. C. 2.00 m

Q.14) The toothed portion of the threshold plate at both ends of an escalator or moving walk, designed to mesh with the groove surface of the moving steps or tradeway. (ME 013) A. combplate B. track C. newel

Q.15) A pie or duct fitting having several outlets for making multiple connections. (ME 043) A. bonet B. manifold C. gathering Q.16) A measure of the clarity of sound based on the comprehension of the message being conveyed by sound. A "cat, bat, tat, rat... type of recognition test. The conversational version of Articulation. (Sound Acoustics Terminology) A. Intelligibility B. Lively C. Articulation

Q.17) A type of Alternating current generated by the alternator where its wave rises to a peak, sinks to zero, drops to a negative peak, and rises again to zero a number of times each second, depending on the frequency for which the machine is designed. (EL 003) A. Metal clad cable type MC B. Armored cable type ACL C. Mineral insulated cable type MI Q.18) An empirically determined index, which combines into a single value the effect of temperature, humidity and air movement on the sensation of warmth or cold felt by the human body. The numerical value is that of the temperature of still saturated air which could induce an identical sensation. (ME 030) A. Design Work Pressure B. Effective Pressure C. Effective Temperature

Q.19) What is the minimum height above floor level if the window type air conditioners shall be provided with exhaust ducts if the exhaust is discharged into corridors/ hallways/ arcades/ sidewalks, etc…? (NBC 220) A. 2.10 m B. 2.20 m C. 2.30 m Q.20) A cylindrical trap closed on the bottom and having a cover plate for access, usually installed in the drain line from a bath tub. A. air trap B. drum trap C. c. sewage trap

Q.21) 1. The recessed fluorescent luminaire is usually designed to fit into a standard ceiling grid. A transparent, prismatic lens usually encloses the fixture and directs useful light to the work surfaces; (graphic standards by ramsey pg.649) A. B. C. D.

Adjustable washer Open reflector downlight Narrow reflector unit Recessed unit with prismatic lens

Q.22) What type of wire or cable with specifications as underground service entrance cable single conductor with operating temperature of 75 degrees centigrade; a single or multi conductor assembly provided with or without an overall covering primarily used for service wire. (CDEP IV-21) A. UF B. XHHW C. USE

Q.23) How many urinals would be needed for an auditorium with a capacity of 500 persons? A. 4 B. 5 C. 6 Q.24) What is the color coding for piping of Pneumatic Division? (CDEP IV-13) A. yellow B. white C. gray

Q.25) It is a type of reciprocating pump that has a steam cylinder with no lap on valves, a water cylinder and a common piston rod. As there is no lap, the steam is admitted throughout the length of the stoke, hence the pressure volume diagram of the steam end is rectangle. (ME 075) A. Power driven pump B. Crank Reciprocating Pump C. Direct Acting Steam Pump Q.26) What is the minimum height above floor level if the window type air conditioners shall be provided with exhaust ducts if the exhaust is discharged into corridors/ hallways/ arcades/ sidewalks, etc…? (NBC 220) A. 2.10 m B. 2.20 m C. 2.30 m

Q.27) The clarity of a sound, particularly a message conveyed by sound, such that it can be easily and completely understood. A slurred sound may be well heard but the message it carries may still not be well understood, it is inarticulate. Also, a clear and distinct sound may be drowned out by a nearby louder noise, rendering the message not understandable, inarticulate. Echoes also cause articulation problems. Articulation is most often measured in some form of a desired signal to unwanted noise ratio. (Sound Acoustics Terminology) A. Intelligibility B. Lively C. Articulation Q.28) The flow of water or other liquids, mixtures or other substances into the distributing pipes of a potable supply of water from any source other than from its intended source. A. Back-flow B. Back siphonage C. boiler valve

Q.29) What is the minimum required vertical clearance of an overhead service drop measured from the ground over residential and commercial properties and driveways not subjected to truck traffic over 600 volts to ground? (Phil. Electrical Code) A. 4500 mm B. 4800 mm C. 5500 mm Q.30) Where buildings exceed 15.00 meters in height, overhead lines shall be arranged where practicable so that clear space or zone at least _________ meters (horizontal will be left adjacent to the building or beginning no over _________ meters (horizontal from the building, to facilitate the raising of ladders where necessary for fire fighting. (NBC p. 211)

A. 1.85 m. / 2.40 m B. 1.65 m. / 2.60 m C. 1.80 m. / 2.45 m.

Q.31) An air-conditioning assembly containing the fans, filters, and other components necessary to treat and distribute conditioned air to an entire building or to specific zones within the building. (ME 046) A. damper B. chiller water plant C. air-handling unit Q.32) Clearance of electric service drop from above ground at its point of attachment to the building or pedestal shall be not less than: (NBC p. 212) A. 2.50 m B. 2.80 m. C. 3.00 m.

Q.33) What type of wire or cable with specification as Polyethylene insulated weather resistant wire with an operating temperature of 75 degrees centigrade? (EL 023) A. Aluminum line wire B. High temperature wire C. Bare Copper wire and stranded Q.34) A unit of heat equal to the quantity of heat required to raise the temperature of one kilogram of water 1 degree Celsius at a pressure to one atmosphere, equivalent to 1000 small calories. (ME 038) A. calorie B. large calorie C. therm

Q.35) The specification on the electric wire THWN refers to: (EL 024 / CDEP VI-22) A. Moisture and Heat Resistant Thermoplastic B. Moisture and Heat Resistant Cross Linked Thermosetting Polyethylene C. Moisture and Heat Resistant Rubber

Q.36) What is the vertical clearance of an open supply conductors, over 750 V to 22 kV over or under roofs or projections not readily accessible to pedestrians. (NBC p. 213) A. 3800 mm B. 3900 mm C. 4000 mm

Q.37) What is the other term for distribution panel? (EL A. None of these B. Electrical Box C. Power Panel Q.38) A fire involving flammable liquid , as gasoline, oil, and grease, which must be extinguished by excluding air and inhibiting the release of combustible vapors. (ME 066) A. Class A fire B. Class B fire C. Class C fire

Q.39) . An apparent shift in the frequency occurring when an acoustic source and listener are in motion relative to each other, the frequency increasing when the source and the listener approach each other and decreasing when they move apart. (LA 010) A. wave front B. droppler effect C. logarithm effect Q.40) A terminal unit which primarily air draws in room air through a filter and the mixture passes over coils that are either heated or chilled by secondary water from a boiler or chilled water plant. (ME 047) A. conduction unit B. filter unit C. induction unit

Q.41) Type of flexible cable which is fabricated assembly of insulated conductors in a flexible metal sheath: (CDEP IV-20) A. Metal clad cable type MC B. None of these C. Armored cable type AC Q.42) What is the minimum width between balustrades of an escalator according to the mechanical provision of the National Building Code of the Philippines? (NBC 218)

A. 560mm B. 550mm C. 720mm

Q.43) What is the color coding for piping of Steam division? (CDEP IV-53) A. yellow B. white C. c. blue Q.44) The minimum inside diameter for electrical wire conduits as per Philippine Electrical Code: A. 3/8” dia. B. ½” dia. C. 1-1/4” dia

Q.45) Classification for A fire assembly having a 1-hour or 1/12-hour fire-resistance rating for protecting openings in 1-hour or 2-hour fire separation, exit stairway and vertical shafts. (ME 065) A. Class A B. Class B C. Class C Q.46) A dry-pipe sprinkler system through which after flow is controlled by a valve operated by fire detection devices more sensitive than those in the sprinkler heads. It is used when an accidental discharge would damage valuable materials. (ME 066) A. preaction system B. dry-pipe system C. deludge system

Q.47) The fire-resistance rating of a hoistway opening protective assemblies other than elevator entrances shall be not less than _____________ as determined with test conducted in the accordance with ANSI/ASME E152 Methods of fire tests of door Assemblies. (ME 008) A. 2 hours B. 1 ½ hours C. 1 hour

Q.48) A condition resulting from bridging any part of a circuit with a conductor of a very low resistance. (CDEP IV-6) A. Branch circuit B. open circuit C. short circuit

Q.49) A unit for measuring the apparent loudness of a sound, judge by a group of listeners to be equal to the loudness of a 1000 hertz reference sound judge by a group of listeners to be equal in loudness to the given sound. (LA 011) A. metric sabin B. resonance C. sone Q.50) A layer of sewage mater that rises to the surface of the sewage in a septic tank A. sludge B. grease C. scum

Q.51) A pipe or tubing that connects the outlets of a plumbing fixture to the trap. A. trap pipe B. tail piece C. tube Q.52) A pipe connecting upward from a soil or waste stack below the floor and below horizontal connection to an adjacent vent stack at a point above the floor and higher than the highest spill level of fixture for preventing pressure changes in the stack. A. wye B. branch vent C. yoke vent

Q.53) A system of mechanical ventilation in which fresh air is forced into the space to be ventilated from a chamber at a pressure slightly higher than atmospheric pressure, so as to expel stale air. (ME 048) A. cross-ventilation B. centrifugal ventilation C. plenum ventilation Q.54) The liquid and water-borne wastes derived from the ordinary living processes, free from industrial waste and of such character that permit satisfactory disposal with out special treatment.

A. drain waste B. domestic sewage C. waste water

Q.55) A rise in temperature occurring without the addition or removal of heat, as when excess water vapor in the air condenses and the latent heat of vaporization of water vapor is converted to sensible heat in the air. (ME 041) A. radiant heating B. adiabatic heating C. enthalpy Q.56) 1. An asymmetrical distribution of light and normally allows for adjustments in the lamp position. Used in gallery and other small areas; (graphic standards by ramsey pg.649) A. Accent light with adjustable reflector lamp B. Downlight with reflector lamp C. Downlight with elliptical lamp

Q.57) What mechanical equipment, coupled with a central air-conditioning system is used to dehumidify and cool the air stream injected into the conditioned space? A. chiller unit B. air handling unit C. fan coil unit Q.58) 1. Under signal system, there are several principles of Intrusion Detection, in figure EL.TPLL.984.E01.533, what principle/device is item ‘E’, (this principle connotes that all objects emit infrared radiation or heat. The ability to focus on a particular area is utilized to cover areas both horizontally and vertically. But the disadvantage is that rapid temperature changes caused by direct insulation, a cold breeze, a heater turning on, and the like can cause false alarm); (mech&elec eqmt for bldg by stein pg.1196) A. Multiple Security Scanning (MSS) device B. Normally closed Contact devices C. Passive Infrared (PIR) presences detector

Q.59) A type of alternating current where the alternator comprises three armature windings set at 120 degrees to each other, current will be produced in the form of triple wave: (EL 003) A. Three phase B. Two phase C. Single phase

Q.60) What is the color for of oil-mineral vegetable or animal, flammable or combustible. (ME 084) A. Yellow B. Brown C. Safety Red

Q.61) A type of flush action of water closet where flushing action is started by a whirlpool motion followed by a complete flush down. A. Siphon vortex B. direct flush valve C. Siphon jet Q.62) An engine or motor operated by steam, gas, air, electricity, liquid or gaseous fuels, liquids in motion or other forms of energy whose main function is to drive or operate, either directly of indirectly, other mechanical equipment. (CDEP IV -51 A. prime mover B. unfired pressure vessel C. process machine

Q.63) Sound that exists within a limited frequency range, between a lower set frequency and a set upper frequency. The difference between the lower and upper frequency is specified to be equal to the lower frequency. The octave sequence for the note "C" starts at 31 Hz and continues thru 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1k Hz, 2k Hz, 4k Hz, 8k Hz and ends at 16k Hz. (k = thousand). (LA 010) (Sound Acoustics Terminology) A. pitch B. octave C. band Q.64) What is the minimum size of trap of a bidet? A. B. C. D.

3” 2” 2 ½” none of the above

Q.65) A metallic sleeve caulked or joined to an opening in a pipe into which a plug is screwed that can be removed for cleaning or examining the interior of the pipe. A. spigot B. ferrule(Your Answer) C. manhole

Q.66) A measure of the efficiency of a material in absorbing sound at a specified frequency, equal to the fractional part of the incident sound energy at that frequency absorbed by the material. (LA 013) A. Absorption coefficient B. noise criteria curve C. noise reduction coefficient

Q.67) In refrigerating systems containing more than _____________, stop valves shall be installed in inlets and outlets of compressors, outlets of liquid receivers, and in liquid and suction branch headers. (NBC 220) A. 7 kilograms B. 8 kilograms C. 9 kilograms Q.68) A system of mechanical ventilation in which fresh air is forced into the space to be ventilated from a chamber at a pressure slightly higher than atmospheric pressure, so as to expel stale air. (ME 048) A. plenum ventilation B. chamber ventilation C. mechanical ventilation

Q.69) What is the minimum size of vent piping? A. 25 mm B. 38 mm C. 32 mm Q.70) It is a switch in which a hinge copper blade is placed between two contact clips. (EL 005) A. float switch B. toggle switch C. knife switch

Q.71) What is the minimum trap diameter (mm) for laundry tubs? A. 51 B. 76 C. 38

Q.72) It is expressed as the temperature difference required to cause heat flow through a unit area of material of given thickness at the rate of one heat per unit time. (ME 039) A. thermal transmittance B. U-value C. thermal resistance

Q.73) What is the maximum size of cleanout (mm) if has front clearance of not less than 305 mm? A. 1.8 m B. 1.5 m C. 0.51 Q.74) A flexible, non metallic, fire-resistant tubing for conductors in knob-and-tube wiring. (EL 005) A. cord B. loom C. connector

Q.75) The transfer of heat by the circulatory motion of the heated parts of a liquid or gas owing to a variation in density and the action of gravity. (ME 039) A. conduction B. transmittance C. convection Q.76) 1. These devices operates either at microwave frequencies or at ultrasonic frequencies, detect motion in the protected area by the Doppler effect; (mech&elec eqmt for bldg by stein pg.1197) A. Motion detectors B. Mechanical Motion Detectors C. Photoelectric Devices

Q.77) It is a type of steel conduit that has a thickness of 0.071mm? (CDEP IV-22) A. Intermediate Metal Conduit (IMC) B. None of these C. Rigid Steel Conduit (RSC) Q.78) Where a machine room or penthouse is provided at the top of a hoist way, it shall be constructed with sufficient room for repair and inspection. Access shall be by means of an iron ladder or stairs when the room is more than _______ millimeters above the adjacent floor or roof surface. (NBC 218)

A. 500 mm B. 600 mm C. 700 mm

Q.79) . A new air-conditioning system which answers the need to respond to changes in room cooling capacities of controlling air flow. (CDEP IV-46) A. VAV B. VRV C. Split type Q.80) How many water closets for male are required for a restaurant with a capacity of 275 persons? A. 1 B. 2 C. 3

Q.81) A rubber or plastic washer inserted in a hole in a metal part to prevent grounding of a wire passing through the hole. (EL 005) A. insulator B. shield C. grommet Q.82) What is the minimum branch circuit rating for household ranges and cooking appliances? (CDEP Lectures) A. 30 amperes B. 40 amperes C. 50 amperes

Q.83) It is a pipe installed in buildings not as part of the water supply or waste disposal system but primarily for use as water conveyance in case of fire. A. dry standpipe B. standpipe C. wet standpipe Q.84) What type of building wire has a trade name as Moisture and Heat Resistant Thermoplastic used for dry and wet locations. (EL 024 / CDEP VI-22) A. TW B. THHN C. THW

Q.85) No parts of the swimming and wading pools shall be placed under existing service drop conductors or any other overhead wiring; nor shall such wiring be installed above the following except: (NBC p.212) A. none of the above B. diving structures C. balconies and area readily accessible Q.86) The process of defining the desirable condition of sound in an acoustic space. It integrates the direct, early and late reflections with the reverberation, including a sense of timing and direction for each into an appropriate and desirable acoustic condition for the listener. It combines both the art and science of sound. It requires an understanding of the purpose to be served by each acoustic space. As an art form, it recognizes the aesthetic side of sound, the impression that most people prefer to have of each particular type of sound that exists in some particular place. As a science, it is based on psychoacoustics. (Sound Acoustics Terminology) A. voicing B. waving C. articulating

Q.87) What is the minimum width between balustrades of an escalator according to the mechanical provision of the National Building Code of the Philippines? (NBC 218) A. 560mm B. 550mm C. 720mm Q.88) What is the standard length of steel conduits? (CDEP IV-23) A. 5 ft. B. 10ft. C. 15 ft

Q.89) A flange that closes the end of a pipe. There is no opening for the passage of liquid gas. A. blank flange B. blow flange C. blind flange Q.90) 1. Under electric services by co-generation, a more complex arrangement, the utility may provide a portion of the community’s electric at some times, while at other times cogenerated electricity is sold to the utility when the demand for thermal energy results in more electricity being produced than the community can use; (graphic standards by ramsey pg.636)

A. Stand alone system B. Utility backup system C. Buy/sell system

Q.91) 1. Any detector signals off-site security company that notifies public safety, owner, etc; (graphic standards by ramsey pg.653) A. Local alarm B. Central station alarm C. Proprietary control system Q.92) specification on the electric wire XHHW refers to: (EL 024 / CDEP VI-22) A. Moisture and Heat Resistant Thermoplastic B. Moisture and Heat Resistant Cross Linked Thermosetting Polyethylene C. Moisture and Heat Resistant Rubber

Q.93) 1. Under signal system, these devices are very sensitive and can be activated by sonic booms, wind, and even a heavy truck passing by, any appreciable motion of the surface on which the device is placed will cause the contacts to make momentarily, turning in an alarm; (mech&elec eqmt for bldg by stein pg.1197) A. Multiple Security Scanning (MSS) device B. Passive Infrared (PIR) presences detector C. Mechanical Motion Detectors Q.94) A valve outlet of a boiler that permits discharge of accumulated sediment. A. Blow-off B. blow valve C. boiler blow-off

Q.95) The higher the impact insulation class rating, the less effective is the construction in isolating impact noise. The IIC rating replaces the previously used Impact Noise Rating and is approximately greater to the INR rating + 51 db for a given construction. (LA 014) A. true B. false C. maybe Q.96) Service drop conductors of 300 volts or less which do not pass over other than a maximum of 1.20 meters of the overhang portion of the roof for the purpose of terminating at a through-the-roof service raceway or approved support may be maintained at a minimum of ____________ from ay portion of the roof over which they pass. (NBC p.212) A. 500 mm B. 600 mm

Q.97) A preformed, non-structural insulating board of foamed plastic or cellular glass. Its insulation having closed-cell structures, as extruded polystyrene and cellular glass, are moisture resistant and may be used with contact with the earth. (ME 040) A. batt insulation B. loose-fill insulation C. rigid board insulation Q.98) What is the grease retention capacity if the total no. of fixture connected is 3? A. 31 kg B. 32 kg C. 33 kg

Q.99) A dry-pipe sprinkler system through which after flow is controlled by a valve operated by fire detection devices more sensitive than those in the sprinkler heads. It is used when an accidental discharge would damage valuable materials. (ME 066) A. preaction system B. dry-pipe system C. deludge system Q.100) Mid frequency unit used in acoustical design of theaters. (MIT Notes) A. 130 Hz B. 60 Hz C. 500 Hz

Q.101) A safety device for preventing the operation of an elevator car unless its door or gate is fully closed. (ME 013) A. door interlock B. gate lock C. door contact Q.102) Which of the following is not generally describes a vitrified clay pipe? A. B. C. D.

One of the oldest materials used for sewer line Highly resistant to most acids Cheapest None of the above

Q.103) A safety device of a passenger elevator which reduces the collision shock of a car or counterweight due to over travel beyond the lowest stop. This device stops the car or counterweight safely. (CDEP IV-57)

A. fascia plate B. limit switch C. buffer Q.104) . It is a joint for soft copper water tubing that shall be made with fittings meeting approved standards. A. burned lead joints B. flared joint C. asbestos cement sewer pipe joint

Q.105) A type of Alternating current generated by the alternator where its wave rises to a peak, sinks to zero, drops to a negative peak, and rises again to zero a number of times each second, depending on the frequency for which the machine is designed. (EL 003) A. Two phase B. Three phase C. Single phase Q.106) What is the ratio pf water closet for dormitories (male)? A. 1:8 B. 1:10 C. 1:5

Q.107) What does PE pipe stands for? A. Polyethylene B. Plastic Extra Pipe C. Polyvinyl Extra Pipe Q.108) It is a switch in which a lever or knob, moving through a small arc, causes the contacts to open or close an electric circuit. (EL 005A / CDEP IV-24) A. float switch B. toggle switch C. knife switch

Q.109) A measure of the efficiency of a material in absorbing sound at a specified frequency, equal to the fractional part of the incident sound energy at that frequency absorbed by the material. (LA 013) A. Absorption coefficients B. noise criteria curve

Q.110) A device that is basically a double throw switch of generally 3-pole connection that will automatically transfer the power from the standby generator to the building circuitry during the electrical power failure. (C) A. Brown-out Control Switch (BSS) B. Automatic Transfer Switch (ATS) C. Single Throw Switch (STS) Q.111) The number of cycles per unit time of a wave or oscillations expressed in hertz of cycles per second. A. B. C. D.

Wavelength Frequency Sine Wave Sound Wave

Q.112) XHHN in wire specification means. A. B. C. D.

Moisture and Heat Resistant- Cross-Linked Thermosetting Moisture resistant, in wet and dry location Heat Resistant in wet and dry location Moisture Resistant Cross-Linked Thermosetting

Q.113) A type of lamp generally used for roadways and sidewalks, uses sodium gas. A. Mercury Lamp B. Metal Halide Lamp C. Tungsten Halogen Lamp D. High-Pressure-Sodium (HPS) Q.114) A high intensity discharge lamp in which the light is produced by the radiation from a mixture of a metallic vapor, similar to that of a mercury lamp in construction. A. B. C. D.

Mercury Lamp Metal Halide Lamp Tungsten Halogen Lamp High-Pressure-Sodium (HPS)

Q.115) Of a partition, the number of decibels by which sound is reduced in transmission through it; a measure of the sound insulation value of the partition, the higher the number, the greater the insulation value. A. Transmission Loss B. Audible Transmission C. Sabin D. Decibel Drop

Q.116) In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part of a structure. A. B. C. D.

Ground Rod Air Terminal Lightning Rod Protective Assembly

Q.117) This switch cuts off all current supply to the escalator for inspection, maintenance, or repairs. A. Disconnect Switch B. Knife Switch C. Limit Switches D. Current Overload Safety Switch Q.118) A type of lamp which produces light by means of the reaction of halogen additive in the bulb reacts with chemically with tungsten. A. B. C. D.

Mercury Lamp Metal Halide Lamp Tungsten Halogen Lamp High-Pressure-Sodium (HPS)

Q.119) In elevator, these prevent the excessive car travel at the highest and lowest floor. A. Circuit Breaker B. Handrail Guard Switches C. Limit Switches D. Disconnect Switch Q.120) In escalators, these stop the escalator if a foreign object becomes wedged at the guard. A. B. C. D.

Circuit Breaker Handrail Guard Switches Limit Switches Disconnect Switch

Q.121) A type of perimeter detector which is subject to false alarm from aircraft radar and from movement outside building through window, wood doors, and the like. It uses radio waves. A. Microwave B. Passive Infrared with Ultrasonic (or Microwave) C. Proximity / Capacitance D. Ultrasonic

Q.122) Which statement is not true? A. Cleanouts may be omitted on a horizontal drain less than 1.5 meters in length unless such line is serving sinks or urinals. B. no galvanized wrought iron or galvanized steel pipe shall be used underground and shall be kept at least 15 cms above ground. C. 1 3/4" diameter is 'not' a commercial size of G.I. Pipe for water supply. D. 3" diameter is 'not' a commercial size of G.I. Pipe for water supply.

Q.123) In elevator, it protects the equipment from over current. A. Circuit Breaker B. Handrail Guard Switches C. Limit Switches D. Disconnect Switch Q.124) TW in electrical wire specification means. A. B. C. D.

Moisture and Heat Resistant- Cross-Linked Thermosetting Moisture resistant, in wet and dry location Heat Resistant in wet and dry location Moisture Resistant Cross-Linked Thermosetting

Q.125) One of the earlier plastic to be developed in 1938, a du pont trade name for the white, soft, waxy, and non-adhesive polymer of tetrafluoroethylene. A. Teflon B. Solvent C. O-ring D. Adhesive Q.126) It prevents passengers from falling into the hoistway when they try to get out of the car which is stopped between the floors. A. B. C. D.

Weighing Device Handrail Guard Switches Fascia Plate Sheave

Q.127) In escalators, this is located at the bottom truss of the escalator and provided with on and off positions to stop or prevents the escalator from starting during maintenance service. A. Circuit Breaker B. Handrail Guard Switches

C. Limit Switches D. Disconnect Switch Q.128) This device, in escalators, is provided at the drive unit location to protect against accidental movement of the escalator during inspection of the drives or during general maintenance. A. B. C. D.

Mechanical Maintenance Locking Device Disconnect Switch Knife Switch Limit Switches

Q.129) This type of perimeter detector detects a change in capacitance of the area covered, caused by intrusion. A. Microwave B. Passive Infrared with Ultrasonic (or Microwave) C. Proximity / Capacitance D. Ultrasonic Q.130) Collection line of a plumbing system is sometimes referred to as. A. B. C. D.

House Drain House Sewer House Sanitary Drainage House Plumbing System

Q.131) In elevator, it makes the buzzer alarm when the car is overloaded and the door remains open until overloading is eliminated. A. Weighing Device B. Handrail Guard Switches C. Fascia Plate D. Sheave Q.132) In elevator, it detects the obstacles during the door closing, and reopens the door if there is something. Photocell can be used together with this. A. B. C. D.

Safety Shoe Weighing Device Fascia Plate Handrail Guard

Q.133) The cooling effect obtained when 1 ton of ice at 32 oF (0 oC) melts to water at the same tmeperature in 24 hrs. (equivalent to 12,000 Btu/hr) A. HP of Refrigeration B. Ton of Ventilation C. Ton of Refrigeration D. HP of Ventilation Q.134) Which statement is not true? A. B. C. D.

number of fixture unit is one parameter in sizing a drainage pipe. brass and cast iron body cleanouts shall not be used as a reducer or adapter. 60˚ branches or offsets may be used only when installed in a true vertical position. Wooden septic tanks are allowed.

Q.135) This type of perimeter detector uses both the Passive infrared and Ultrasonic or Microwave system. A. Microwave B. Passive Infrared with Ultrasonic (or Microwave) C. Proximity / Capacitance D. Ultrasonic Q.136) An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a cable or roped is passed. A. B. C. D.

Governor Sheave Weighing Device Fascia Plate

Q.137) This device, in escalators, stops the escalator automatically if an abnormal current is supplied to the motor. A. Disconnect Switch B. Knife Switch C. Limit Switches D. Current Overload Safety Switch Q.138) Color code for pipes containing acid. A. B. C. D.

orange yellow red black

Q.139) A type of lamp popular for lighting commercial interiors, uses argon gas to ease starting, it produces light by means of an electric discharge in mercury vapor. A. Mercury Lamp B. Metal Halide Lamp C. Tungsten Halogen Lamp D. High-Pressure-Sodium (HPS) Q.140) This shows the vertical relationships of all panels, feeders, switches, switchboards, and major components are shown up to, but not including, branch circuiting, it is an electrical version of a vertical section taken through the building. A. B. C. D.

Panel Diagram Riser Diagram Isometric Diagram Load Diagram

Q.151) Any act that would remove or neutralize a fire hazard. A. Abatement B. Combustible Fiber C. Blasting Agent Q.152) A box or cabinet where fire hoses, valves and other equipment are stored and arranged for fire fighting A. Hose Box B. Shoe Box C. Black Box

Q.153) Passageway from one building to another or through or around a wall in approximately the same floor level. A. Horizontal Exit B. Vertical Shaft C. Fire Exit Q.154) An enclosed vertical space of passage that extends from floor to floor, as well as from the base to the top of the building. A. Vertical Shaft B. Vertical Exit C. Vertical Horizon

Q.155) A cylindrical device turning on an axis around which a fire hose is wound and connected A. Hose Reel B. Cylinder Tank C. Hose Box Q.156) A hot piece or lump that remains after a material has partially burned, and is still oxidizing without the manifestation of flames. A. Fire B. Fire Hazard C. Ember

Q.157) Any readily ignitable and free burning fiber such as cotton, oakum, rags, waste cloth, waste paper, kapok, hay, straw, Spanish moss, excelsior and other similar materials commonly used in commerce. A. Blasting Agent B. Combustible Fibers C. Fire Hazard Q.158) A system of vertical pipes in a building to which fire hoses can be attached on each floor, including a system by which water is made available to the outlets as needed. A. B. C. D.

Standpipe System Fire Protection System Chronological System System of the Down

Q.159) An integrated network of hydraulically designed piping installed in a building, structure or area with outlets arranged in a systematic pattern which automatically discharges water when activated by heat or combustion products from a fire. A. Chronological System B. Sprinkler System C. Standpipe System D. Pipe System Q.160) Any condition or act which increases or may cause an increase in the probability of the occurrence of fire, or which may obstruct, delay, hinder or interfere with fire fighting operations and the safeguarding of life and property. A. Fire B. Fire Hazard C. Blasting Agent

Q.161) Where you connect the wires A. Junction Box B. Johnson Box C. Match Box Q.162) One with contact separate in air A. Air Switch B. Air Circuit Breaker C. Conductor

Q.163) Over current protective device (like a circuit breaker) A. fuse B. bulb C. fet Q.164) The third protruding metal stick in a plug A. Ground B. Grounding plug C. Plug

Q.165) Rated continuous current capacity of a conductor or device. (electrical devices should not exceed 12 amperes, or else it will burn) A. Ampacity (Your Answer) B. Capacity C. Amphere Rating Q.166) One on which the circuit interaction occurs in air. A. Air Circuit Breaker B. Branch Circuit C. Fuse

Q.167) Illegal because it bypasses the meter A. jumper B. hacker C. tracker

Q.168) Machine that converts electric power to mechanical A. Motor B. Electric Fan C. DC Motor

Q.169) A material that permits many electrons to move through it. Copper, silver, and aluminum are examples of materials that are good conductors. Also used generically to refer to a wire, cable, or bus bar that is made from a conducting material. A. Conductor B. Semi-Conductor C. Metal Q.170) Insulating media for transformers (no longer allowed) A. Askarel B. Mineral Oil C. Gatorade

Q.171) A device that can be used to open or close a circuit manually and can also open a circuit automatically when current is excessive. A. Circuit Breaker B. Air Circuit Breaker C. Branch Circuit Q.172) metal pipe in which electrical powers may be drawn; has conditions (like wall is thinner than conduit) A. Electrical Metal Tubing B. Steel Pipe C. Metal Straw

Q.173) a cable provided with wrapping of metal (steel wire) for mechanical protection. A. armored cable B. steel cable C. super cable Q.174) circuit conductor between electric device and the outlet A. Branch Circuit B. Circuit Breaker C. Race Circuit

Q.175) A composition of two or more metals fused together usually to obtain a desired property A. annealing B. alloy C. built-up D. none of the above Q.176) The dimension of commercial acoustic boards for aluminum T-runners used for droppedceiling in offices is A. B. C. D.

30” x 60” x 1” 24” x 50” x 7/8” 24” x 48” x ½” 24" x 60" x 1/2"

Q.177) The total floor area 16 feet wide by 60 feet deep needs one inch (1”) x 4”(commercial size) T & G flooring. Assuming that the available T & G is 1” x 4” x 16” and the effective width is 3.5” , the total board feet needed is A. 1,280 bf B. 1,098 bf C. 1,330 bf D. 1,298 bf Q.178) The Filipino term for horizontal stud is A. B. C. D.

Pabalagbag Tahilan pilareta pamakuan

Q.179) A material used to remedy vapor flow A. glossy surfaced asphalt saturated paper, 50 lbs or more B. wall paper C. asbestos cement board D. cement plaster Q.180) A system of framing a building on which floor joists of each storey rest on the top plates of the storey below and the bearing walls and partitions rest on the subfloor of each storey is known as A. B. C. D.

balloon framing flank framing western framing floor framing

Q.181) A modern method of installing wood parquet flooring on wooden boards sub-flooring is by A. gluing/pasting B. nailing into battens C. wainscoting D. drilling Q.182) Identify which figure is flemish (double stretcher) brickwork. A. B. C. D.

a b c d

Q.183) The horizontal distance from the face of a lock or latch to the center of the knob or lock cylinder A. backset B. backfill C. built-up D. lockset Q.184) Identify which figure is a dado wood joint. A. B. C. D.

a b c d

Q.185) Dry walls do not require appreciable amount of moisture and they are customarily finished with A. mortar and cement B. plywood on studs C. lath and plaster D. plastering Q.186) Humidification and condensation in exterior walls can be minimized by A. B. C. D.

providing stud space between exterior finish and interior finish providing building paper sheathing providing building paper sheathing and space filled none of the above

Q.187) A protein: the chief nitrogenous ingredient in milk is A. lactose B. Tempera C. alabaster D. casein Q.188) The boxing in of covering a joist, beam or girder to give the appearance of a larger beam is known as A. B. C. D.

beam formworks beam blocking grade beam girder beam

Q.189) The Filipino term for plumb line is A. Pantilya B. Asintada C. plumbo D. hulog Q.190) Using stair tread-riser proportion formula RT = 75, given riser equals 6 ¼ “ how many risers will there be between two floors having floor line to floor line distance of 7.8125 feet? A. B. C. D.

15 17 19 20

Q.191) A wall (bearing or non-bearing) designed to resist lateral forces parallel to the wall A. non-bearing B. prefabricated C. shear D. grade wall Q.192) It is necessary to provide _______ to turn back water whenever joints occur in which dissimilar materials come together. A. B. C. D.

flashing material binding material counter flushing covering material

Q.193) A system of framing a building in which the studs are continuous to roof supporting second floor joints is known as A. post and beam B. western framing C. balloon framing D. post and lintel Q.194) Joint employed to reduce restraint by accommodating movement of masonry walls are known as A. B. C. D.

cold joints control joints block outs expansion joints

Q.195) In the design of a large shopping centers where space is required, intervals of columns can be wider than the ordinary by adopting a structural method of construction called A. compressioning B. post-tensioning C. pre-casting D. pre-tensioning Q.196) Identify the miter joint from the following. A. B. C. D.

a b c d

Q.196) The part of a foundation system which supports the exterior walls of a superstructure and bears directly on the column footing is a A. foundation course B. grade wall C. foundation wall D. grade beam Q.197) The stressing of unbounded tendons after concrete has cured is A. B. C. D.

pre-tensioning pre-casting lift slab post-tensioning

Q.198) The Filipino term for temper (metal work) A. Suban B. Espolon C. poleva D. none of the above Q.199) The Filipino term for riser A. B. C. D.

Muldura takip silipan planehuelda baytang

Q.200) A narrow strip of wood applied to cover a joint along the edges of two parallel boards in the same plane is a A. fillet B. cant strip C. batten D. none of the above Q.201) The standard height of window sills for office rooms in upper floors is A. B. C. D.

1.2 meters 0.60 meters 1.00 meters 0.90 meters

Q.202) That part of the building foundation which forms the permanent retaining wall of the structure below grade is a A. foundation course B. grade beam C. foundation wall D. shear wall Q.203) A roofing tile which has the shape of an “S” laid on its side is a A. B. C. D.

Mission tile pantile French tile none of the above

Q.204) Heat gain through the structure of a habitable room occur in tropical regions at walls and roofs by conduction. This can be minimized by the use of A. wood B. concrete C. steel D. plastic Q.205) A principal member of the truss which extends from one end to the other primarily to resist bending is a A. B. C. D.

web member girt chord king post

Q.206) Wallboards or plywood maybe applied over studs. They can also be applied over CHB masonry wall by using A. wood battens B. studs C. sheathing D. furring Q.207) A beam that projects beyond one or both its support A. B. C. D.

continuous cantiliver tie projecting beam

Q.208) The Filipino term for collar plate is A. Hardinera B. Guililan C. sinturon D. soliya Q.209) Identify which letter in the target is a valley jack rafter? A. B. C. D.

a b c d

Q.210) A commercially pure iron of fibrous nature, valued for its corrosion resistance and ductility is A. cast iron B. black iron C. wrought iron D. heavy iron Q.211) Rough plaster finish obtained by flinging plaster on a wall with a hand operated machine is A. tryolean finish B. trowel finish C. broom stripped finish D. smooth finish Q.212) Pressure exerted against the underground portion of a building created by the presence of water in the soil is known as A. soil bearing pressure B. hydrostatic pressure C. atmospheric pressure Q.213) A window which projects outside the main line of a building and the compartment in which it is located extends to the floor is known as A. bay window B. hopper window C. oriel window

Q.214) A form of brick bond in which each course is alternately composed of entirely of headers or of stretchers is known as A. common bond B. flemish bond C. english bond Q.215) A joint formed when a concrete surface hardens before the next batch of concrete is placed against it is A. block out B. cold joint C. control joint Q.216) An iron alloy usually including carbon and silicon which has high compressive strength but low tensile strength is A. pig iron B. cast iron C. wrought iron

Q.217) The Filipino term for plastered course is A. lastilyas B. moneyka C. kusturada Q.218) The Filipino term for bottom chord course is A. barakilan B. sibe C. estunyo Q.219) The Filipino term for perlin course is A. tahilan B. balangkas C. reostra Q.220) The capacity of a wall to hold moisture is important in the design of dwelling units. Select the best material which will reduce moisture in a wall when used A. CHB S-cut joint finish B. 1” thick V-cut wood boards C. Synthetic adobe finish on R.C. wall Q.221) Plaster or plywood ceiling on nailers or joists below a ventilated roof space may show “pattern staining” on the ceiling. This can be prevented by A. cleaning B. adequate insulation C. re-painting Q.222) Heat gain through the walls in buildings exposed to afternoon sun intensifies discomfort of inhabitants because of conductivity. However, this can be minimized by the use of A. combination of wood boards and plywood with cavity between B. thick reinforced concrete wall C. steel sheets