API 653 Questions with CORRECT Answers

API 653 Questions with CORRECT Answers

Question:
650: Annex B.3.1 - Foundations - Suggested Heigh above grade for new tank bottoms.
Answer:
Dimensions - 12"


Question:
653: Fig 9.13, Note 3 - Bottom Patch - Max width of bottom patch in the critical zone.
Answer:
Dimensions - 24" Dimensions - 24"


Question:
ASME V: SE-797 8.5 - Maximum temperature for UT readings
Answer:
Temperatures - 1000°F


Question:
652: 3.33 - Linings - Thickness of a thin film lining.
Answer:
Thicknesses - < 0.020"


Question:
653: Table 4.4 - Bottom - Minimum allowed thickness of corroded roof plate.
Answer:
Thicknesses - 0.050"


Question:
653: Table 4.4 - Bottom - Minimum allowed
Answer:
Thicknesses - 0.100"

, Question:
Densitometer
Answer:
Time Intervals - 90 Days


Question:
V: T-762(a) - NDE - Max Calibrating Interval - Electromagnetic MT Yoke
Answer:
Time Intervals - 1 Year


Question:
IX: QW451.1 - Weld Qualification - Number of tension tests to qualify a WPS
Answer:
Miscellaneous Numbers - 2


Question:
V: T-282.1 - NDE - RT film Density Range - AlRT 360 Degree of a weld using a
double-wall technique, single-wall view.
Answer:
Miscellaneous Numbers - 2.0 - 4.0


Question:
V: T-277.3 - NDE - When using a shim under a hole-type IQI, the number of sides of the
IQI that must be see in the RT Image
Answer:
Miscellaneous Numbers - 3


Question:
IX: QW451.1 - Weld Qualification - Number of bend tests to qualify a WPS
Answer:
Miscellaneous Numbers - 4


Question:
653: Fig 5.1 - Brittle - Shell stress when brittle fracture is NOT a concern
Answer:
Miscellaneous Other - < 7000 PSI