API 653 Question Bank (API 653 QB001)

41. Which of the following penetrant system is generally considered least sensitive? 

a. Water-washable – visible dye

b. Solvent removable – visible dye

c. Water-washable – fluorescent dye

d. Post-emulsification – visible dye

42. The nondestructive examination method to be used for a particular inspection should be determined by the: 

a. Availability of certified NDE examiners

b. Length of time since the last inspection

c. Age of the component to be inspected

d. Type, location, and orientation of the expected flaws

43. Out of the following four options in LPT, most sensitive results can be obtained by: 

a. Visible penetrant – water washable

b.  Fluroscent penetrant – post emulsifying type

c. Visible – solvent removable type

d. Visible – post emulsifying type

44. A PQR was qualified in 5G position using a new welder. But production welding is to be done in 2G position. Which of the following are applicable as a minimum?

a. Both procedure and welder shall be re-qualified in 2G position.

b. The qualified procedure can be used ,only welder needs to be re-qualified

c. The welder is qualified, but the procedure needs re-qualification 

d. Both procedure and welder need not be re-qualified.

45. Minimum thickness evaluation may be conducted by?

a. Use of an external micrometer only

b. Ultrasonic testing

c.   D.P. Check

d.     None of above

46. For procedure qualification documentation:

a. WPS gives the procedure test data and results of tensile/bend test

b. PQR gives ranges qualified by procedure test

c. PQR gives procedure test data and WPS gives ranges qualified

d. WPS and PQR both give test data and ranges qualified

47.   Identify correct statement from following:

a. Tensile test for procedure  qualification is passed only if base metal failure occurs  at or above Specified Minimum Tensile Strength (SMTS) of base metal

b. Tensile test for procedure qualification is passed only if base metal failure occurs above SMTS of base metal

c. Tensile test for procedure  qualification is passed even if weld metal failure occurs above 95% of SMTS of base metal

d. None of the above

48. When using radiographs to qualify welder, the acceptance standards used are found in:

a. ASME Section V

b. ASME Section IX

c. ASME Section VIII

d. The referencing code

49. An RBI assessment can be used to alter the internal inspection strategy provided:

a) RBI is performed considering likelihood of failure and consequence of failure.

b) The RBI is fully documented.

c) A third party conducts the RBI.

d) Both “a” and “b” above

50. You are reviewing a WPQ for a welder. The test results indicate the following:

a. Satisfactory side bend

b. Face bend satisfactory

c. Visual satisfactory

Will these tests qualify the welder?

a. Yes

b. No, because bend tests are not correct type.

c. Not enough information given

d. No, because radiography is essential for welder   qualification

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