API 653 Exam Chapter 3

API 653 Exam Chapter 3 – An Introduction to API RP 575

Take a Free API 653 Exam Chapter 3 Practice test with Latest An Introduction to API RP 575 Question and Answers

1.

Q1. API 575: construction standards
Which of the following old specifications covered riveted atmospheric storage tanks?

 (a) API 12A

 (b) API 12B

 (c) API 12C

 (d) API 12D

2.

Q2. API 575: use of atmospheric tanks
Which of the following fluids would not be suitable for being held in an atmospheric tank?

 (a) Heavy oil

 (b) Gas oil (kerosene)

 (c) Water

 (d) Liquid oxygen

3.

Q3. API 575: atmospheric storage tank roofs
What type of fixed roof does not need supporting rafters/columns, etc.?

 (a) Double roof type

 (b) Geodesic dome type

 (c) Breather type

 (d) Pan type

4.

Q4. API 575: atmospheric storage tank roofs
Which of these is not a floating roof design?

 (a) Pan type

 (b) Pontoon type

 (c) Double-deck type

 (d) Lifter type

5.

Q5. API 575: atmospheric storage tank roofs
Why do some floating-roof tanks have an additional dome roof on the top?

 (a) To keep the rain out

 (b) To decrease the vapour pressure of the stored product

 (c) To increase the vapour pressure of the stored product

 (d) Both (a) and b) above

6.

Q6. API 575: atmospheric storage tank roofs
What kind of floating-roof seal may be filled with foam?

 (a) A mechanical seal

 (b) A tube seal

 (c) A counterweight seal

 (d) None of the above

7.

Q7. API 575: atmospheric storage tank roofs
What is the purpose of using a breather-type roof?

 (a) To help the floating roof move without ‘vapor-locking’

 (b) To reduce vapour pressure and avoid the need for a pressurized tank

 (c) To provide expansion space for vapours

 (d) To enable vapours to be safely vented to atmosphere

8.

Q8. API 575: low-pressure storage tanks
Which code covers the venting of low-pressure tanks?

 (a) API 650

 (b) API 2000

 (c) API 12B

 (d) API 12D

9.

Q9. API 575: storage tank design pressure
What is the maximum design gauge pressure of an API 650 tank?

 (a) Atmospheric pressure

 (b) 2 1/2 psi

 (c) 103 kPa

 (d) 15 psi

10.

Q10. API 575: storage tank design pressure
What is the maximum design gauge pressure of an API 620 tank?

 (a) Atmospheric pressure

 (b) 2 1/2 psi

 (c) 18 kPa

 (d) 15 psi

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Click Here To Read Next API 653 Exam Chapter 4 -Reasons for Inspection: DamageMechanisms

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3.5 API RP 575: practice questions

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