API 653 Exam Chapter 11

API 653 Exam Chapter 11- Hydrostatic Testing and Brittle Fracture

Take a Free API 653 Exam Chapter 11 Practice test with Latest Hydrostatic Testing and Brittle Fracture Question and Answers

1.

Q1. API 653: hydrostatic testing
What is the duration of a full hydrostatic test?

 
 
 
 

2.

Q2. API 653: hydrostatic testing
API 653 specifies that a full hydrostatic test is required for a tank that has undergone ‘major repairs or major alterations. Which of the activities below is classed as a ‘major repair or major alteration’ on a 150 ft diameter tank?

 
 
 
 

3.

Q3. API 653: hydrostatic testing
Which of these activities is likely to require a full hydrostatic test on an existing (not new) tank made of unknown low carbon steel with a shell and roof thickness of 0.7 in?

 
 
 
 

4.

Q4. API 653: hydrostatic test exemption
As a guiding principle, can experienced tank design engineers (employed by the owner/user) override the requirement for a hydrostatic test on an existing tank that has had major repairs and alterations and that API 653 suggests should be tested?

 
 
 
 

5.

Q5. API 653: hydrostatic test: limiting stress in the repair area
Section 12.3.2.3.3 contains a formula for calculating the stress during a hydro test (to see if it exceeds 7 psi). What is the difference between this formula and the one in the ‘evaluation section of API 653?

 
 
 
 

6.

Q6. API 653: shell repair for hydrostatic test exemption
If you want to claim exemption from a hydro test after repair, the material around the repair area (not the repair plates themselves) must:

 
 
 
 

7.

Q7. API 653: leak test
What is the objective of a leak test as defined in API 653 section 12.4?

 
 
 
 

8.

Q8. API 653: measuring settlement during the hydro test
How many settlement measurement points are required during a hydro test (API 653 section 12.5.1.2), compared to the ‘out-of service’ requirement specified in API 653 appendix B?

 
 
 
 

9.

Q9. API 653: settlement points
How many inspection points are required to carry out an internal survey for a very large tank 280 ft in diameter?

 
 
 
 

10.

Q10. API 653: the objective of the hydrostatic test
Which of these is not a major objective of a tank hydrostatic test?

 
 
 
 

Question 1 of 10

Click Here To Read Next API 653 Exam Chapter 12 – Tank Linings: API RP 652

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11.6 API 653: Hydrostatic Testing practice questions

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