1 API 653 Memories March 2014 Exam

MARCH 2014 COMPUTER MEMORIES … We’ll call him GEORGE HARRISON … He remembered an amazing 105 Qs of 150 for March 2014 computerized exam and claims Control F function was not allowed … Can you locate the Code Sections and REFERENCES ON ALL ANSWERS … THIS MAKES FUN PRACTICE …  … Nice Job George

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5, Act of penetrating a thin component

6, Characteristics of SAW

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10, Suitable for Safe Operation

11,

12, open book

13,open book

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16, Ring Gasket should be as per API 620- OPEN BOOK

18, UN KNOWN MATERIAL YIELD STRENGTH – OPEN BOOK

20, if you want to use A-283 instead of A-36 require purchaser written approval .

SEE ALSO 4.1.5  Rules for SUBSTITUTION OF PLATE 21, Routine inspection interval – one month

22, Personnel for routine inspection

23,If the internal inspection is only for tank bottom

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29, Gave below fig and mentioned C distance as 2” instead of 3”

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32, Negative 850 mv

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34, 190F CRUDE – OPEN BOOK

35, Thin film is for new tanks

36, Testing for thin film

37, diameter given as 155 and answer is 16.

38, Crushed rock- underside corrosion

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40, MIC appearance – open book

41, Sulfuric acid percentage -85 and Temp -125 F –

Figure 5-21 Corrosion Rate question

41, OPEN BOOK

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43, Thickness is .50” Hole Type Source side

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46, 1:4

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48, API 653 Governs if it is more stringent than others.

49, Sum of the pits arc parallel to the shell-to- bottom

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51, Lamination check

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57, Maximum UT inspection interval A , 5 YRS B, 15 YRS C, Half of Remaining Life (R.L) D, Quarter of Remaining Life (R.L) 58,

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62, open book

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64, Los Angles – open book

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69, 10+5+2 =17

70, J value – open book t =.5”

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75, Major alteration – A -12” , B- 18”

76, Thickness required for finding Height H is actual thickness Minus the corrosion allowance

77, Given thickness is 3/8” and depth of pit .180” – is it acceptable without repairs

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80, IR 192 –MINIMUM DENSITY 2

81, Light image of B is rejection

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84, Filling Rates for thickness(.5”)

85, W.P.S question joint sketch given but did not mention the grove angle. 86, P.Q.R question – thickness range qualification .

87, P.Q.R question - SA 516 Gr 70 – Mechanical and bend test results 88, Critical length calculation – Given tank dia, least thickness , average thickness, remaining thickness and ask us calculate critical length. 89, T minimum for bottom shell 90, Remaining life calculation 91, Given corrosion rates for shell and bottom plates . ask us tell Maximum UT inspection interval . 92, Given different data for calculation height (H). 92,

Welder symbol is not required for which type of joints?

CHAPTER 11 API 653 … easy … see question and reference below 93,Given shell and bottom plate corrosion rate and ask find UT inspection interval Since we know corrosion rate , interval is 5 years 94, Meaning of RCA

95 Keyword in the exam is experiences with coatings and linings – OPEN BOOK

96, Key word is to the maximum liquid level , not shell height – in the examination they mentioned tanl height and liquid level and ask us which one we have to consider for calculating thickness

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98, Carbon Steel (Unknown Specification) – thickness is .5” and temp -20⁰F- safe for use

99, Need for Hydrotest .

100,

101, 2/3 yield strength or 2/5 Tensile Strength

102, Hold Points

103, Minimum plate dimension

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106,