API653 Chapter 3

Question 1

what is a breakover point?

Answer 1

the area on a tank bottom at which settlement begins

Question 2

Definition of a candidate tank?

Answer 2

CR NOT known

Question 3

Definition of a control tank?

Answer 3

CR and service history is known.

Question 4

Diff of AI vs Inspector?

Answer 4

Inspector is not certified, and is a rep of the organization’s MI department

Question 5

Internal inspection must be supervised by?

Answer 5

an AI

Question 6

What is consider a major alteration/repair? (8)

Answer 6

a) installing a shell penetration larger than NPS 12 beneath the design liquid level;
b) installing a bottom penetration within 12 in. of the shell;
c) removing and replacing or adding a shell plate beneath the design liquid level where the longest dimension of the replacement plate exceeds 12 in.;
d) removing or replacing annular plate ring material where the longest dimension of the replacement plate exceeds 12 in.;
e) complete or partial (more than one-half of the weld thickness) removal and replacement of more than 12 in. of vertical weld joining shell plates or radial weld joining the annular plate ring;
f) installing a new bottom
g) removing and replacing part of the weld attaching the shell to the bottom, or to the annular plate ring, in excess of the amounts listed in 12.3.2.5.1 a);
h) jacking a tank shell

Question 7

recognized toughness

Answer 7

condition that exist when the material of a component is deemed acceptable

Question 8

API 2000

Answer 8

venting atm and low pressure storage tank (nonrefrigerated and refrigerated)

Question 9

API 2015

Answer 9

requirement for safe entry and cleaning

Question 10

API 2207

Answer 10

preparing tank bottoms for hot work

Question 11

ASME Section IX

Answer 11

welding and brazing qualifications

Question 12

ASNT SNT TC !A

Answer 12

Qualification and Certification in NDE

Question 13

ASME section V

Answer 13

NDE exams