API 510 Pressure Vessel Inspector Exam Questions & Answers

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We have collected API 510 Pressure Vessels Inspector's Examination information, Study Materials, Various organization's preparatory course materials, Question Banks and answers from many sources and archived as a single RAR file.

The following documents are available in this archive

1. Examination information includes;
   1. Publication Effectivity Sheets - it contents the details of codes and standards shall be studied for this exam
   2. Body of knowledge - it describes detailly about the required knowledge of the candidate in all aspect
   3. The examination schedule and fees detail for the year 2020
   4. Complete detailed instructions about CBT - Computer-Based Testing
   5. Tutorial about the CBT usage
   6. Reference document for the pre-test questions
2. Preparatory Course Documents
   1. Haward Technology Material
   2. Kuwait Petroleum Training Material
   3. and many more
3. Question Banks which contents approximately 1000 with answers
4. Code wise Mock-up Test
5. Code reference provided for maximum questions

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Note: If you read these documents, it will increase your chances to succeed your examination, but remember these are not your actual API exam questions.

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Tags: API 510 Question & Answer, API 510 Sample Question, API 510, API 510 Question Bank, API 510 MOCKUP Test, Pressure Vessel Inspector,  API 510 Pressure Vessel Inspector

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API 510 Free Downloadable Question Bank

SL #	FILE NAME	Download Link
1	API 510 Exam1	click here
2	API 510 Exam 2	click here
3	API 510 Exam 3	click here
4	API 510 Exam 4	click here
5	API 510 Exam 5	click here
6	API 510 Exam 6	click here
7	API 510 Exam 7	click here
8	API 510 Exam 8	click here
9	API 510 Exam 9	click here
10	API 510 Final Closed Book	click here
11	API 510 Final Open Book	click here
12	API 510 MID Closed Book	click here
13	API 510 MID Open Book	click here

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API 510 Free Downloadable Question Bank

Second free downloadable question bank. apiXams is requesting visitors to click and follow our advertisers websites to give better service.

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API 510 Free Downloadable Question Bank

API 510 Pressure Vessel Inspector Certification Examination Practice Questions With Answers are available here for free download. The first available download file contents 20 questions with answers all closed book exam questions. Use below given link to download.

Use this links to download (msword format) Download link 1 or Download link 2

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API 510 Question Bank (API 510 QB001) Full Version

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API 510 Question Bank (API 510 QB002)

Hie! folks,

This is the second question bank for API 510 Pressure Vessel Inspector Exam. For your information this second question bank questions are open book questions, you can refer code books during exam to answer. 

1. A standard  seamless , ASME F & D head (Torispherical) is used for the following conditions:

Material of Construction = SA 515 gr 60

Design Pressure = 250 psig 

Design temp = 580ºF

Inside Crown Radius = 72 inches 

Minimum available thk. = 1.14 inches 

Category B welds are spot radiographed.

Corrosion allowance = 0.125 inches 

Allowable stress at design temp.   = 16400 psig

Your assessment is:

a. The head does not meet code requirements.

b. The head meets the code requirements.

c. Suitability would depend on decision of pressure vessel inspector.

d. Data are not adequate.

2. A pressure vessel is to be constructed with MDMT = +20°F, M.O.C = SA 515 gr 60 . Impact testing not performed.

Required shell thickness = ¾ , dished head thk. =  1-⅛ " ( torisph. head). Determine if this material is suitable for:

a. Both shell as well as dished head

b. Suitable for head but not for shell

c. Suitable for shell only but not for head

d. Not suitable for either

3. For a certain pressure vessel with spot radiography, and all Welds  type 1, 

Vessel diameter =  72 inch I.D.  

M.O. C = SA 515 gr 70 

Design temp. = 600°F 

Allowable stress at design temp. = 20,000 psi  

If shell thk. = 5/8" and C. A = 1/8", the MAWP for the shell will be:

a. 234 psi

b. 168 psi

c. 256 psi 

d. None of the above

4. A pressure vessel (M.O.C. 516 gr. 70) has external jacket spread over 72 inches length of the shell. (Jacket pressure = 180 psi, Jacket temperature = 350°F) the vessel OD = 36 inches. Shell thickness= 0.5 inch, C.A. = Nil.  Decide which of the following are applicable in the present case.

a. Shell thickness is OK.

b. Shell thickness is NOT OK.

c. Data are not adequate.

d. Acceptance of shell thickness depends on opinion of vessel engineer.

5. Choose correct hydrostatic test pressure from given options for a vessel   with the following data:

Design Pr = 360 psi

Design temp = 675ºF

M.O.C = SA 537 Cl. 1

Allow stress (Ambient) = 18600 psi

Allow stress (675°F) = 16900 psi

a. 540 psig 

b. 515 psig

c. 450 psig

d. None of above

6. Impact test requirement for the two plates is to be assessed for MDMT = 0ºF, to be used for Vessel which will be hydrotested and used for steady operation. 

Plate A. Plates 537 class 1,    2.0 inch thick 

Plate B. Plates 515 gr 60,      0.75 inch thick 

Your assessment is:

a. Plate (A) and plate (B) both require impact test.

b. Only (A) requires, (B) is exempt.

c. Only (B) requires, (A) is exempt.

d. Both do not require impact testing.

7. For vessel shell, thk= 4.0 inch, max. weld mismatch shall be as follows:

a. Long seam = ¼”, circ seam = ½”

b. Long seam = ¼”, circ seam = 7/32”

c. Long seam = 7/32”, circ seam = ¼”

d. Long seam = 5/8”, circ seam = ½”

8. Toughness (opposite of brittleness) will be best for which materials:

a. Materials represented by curve A

b. Materials represented by curve B

c. Materials represented by curve C

d. Materials represented by curve D

9. In a pressure vessel one of the 2:1 ellipsoidal dished head is removed and a new seamless dished head of same type is installed with a single ‘V’ joint with backing strip and full radiography. What is the joint category, type and efficiency of the joint now?

a. Category-B,  Type-1 &  E-0.9

b. Category-B,  Type-2 &  E-0.9

c. Category-A,  Type-2 &  E-1.0

d. Category-B,  Type-2 &  E-1.0

10. A pressure vessel of overall height 80’ has its part MAWP at various parts as detailed in the sketch. What is the vessel MAWP (hydrostatic head 1’ = 0.433 psi)?

a. 419 psi

b. 420 psi

c. 430 psi

d. 426 psi 

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Answer Sheet for API 510 QB001

Question No	Answer
1	B
2	D
3	B
4	C
5	C
6	C
7	A
8	D
9	A
10	A
11	B
12	A
13	D
14	B
15	C
16	B
17	B
18	C
19	B
20	C

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API 510 Question Bank (API 510 QB001)

Today's question here...........

18. ASME Sec. VIII Div. 1 recommends use of U.T. in place of R.T. (for a fully radiographed vessel) for:
a. All butt welds in vessel
b. All butt and fillet welds in vessel
c. For closing seams only
d. The code does not permit use of U.T. at all 

19.   Vessel MAWP for tall vertical vessel will normally be:
a. Greater than vessel part MAWPs
b. Lower than Vessel part MAWPs
c. May be (a) or (b) depending on Vessel height
d. Is always same as vessel design pressure

20. For a vessel constructed with Type 1 welds:
a. RT3 means E = 1
b. RT2 means E = 0.85
c. RT1 and RT2 may mean E = 1
d. RT4 means spot radiography

API 510 Question Bank (API 510 QB001) completes here check next post for answers.

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API 510 Question Bank (API 510 QB001)

The question bank continues..........

12. Vessel MAWP for vertical vessel is measured at:

a. Top most point of vessel

b. Bottom most point of vessel

c. At the mid point between top & bottom

d. None of above

13. Which of the following statements is true? 

a. All defects are not discontinuities. 

b. All discontinuities are defects. 

c. Discontinuities are rejectable defects. 

d. Defects are rejectable discontinuities.

14. A Pressure Vessel is designed for 0.85 joint efficiency with full penetration welds. RT requirement will be:

a. Nil          

b. Spot        

c. 100 %        

d. T-joints radiography

15. A vessel with 50 inches OD and 1¼ in. thickness is to be provided Std. torisph. heads. The heads shall be formed with crown radius and min. knuckle radius as follows:

a. 25 inch,  4 inch

b. 50 inch,  3 inch 

c. 40 inch,  3¾ inch 

d. 25 inch,  2 inch 

16. If there is a conflict between ASME VIII & API 510 Code, for vessels in-service:

a. ASME will precedent

b. API will precedent 

c. ASNT will precedent

d. Owner user will decide

17.   Two head to shell joints, one joining a seamless Hemisph, head   to shell was radiographed for full length and the other joint joining seamless std. torisph. head to shell was spot radiographed, The weld joint efficiency for each of these heads respectively will be:

a. 1,  0.85              

b. 1,  1           

c. 0.85,  1              

d. 0.85,  0.85 

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Examination Scheme

As per the present scheme, API 510, 570 & 653 examination is one-day, 8-hour, 2 session examination, comprising of pre-lunch session (4 hours) for “open-book” examination and post-lunch session (4 hours) for “closed-book” examination.

There are a total of 150 questions carrying 1 mark each (total of 150 marks), split into open-book (approximately 50 questions) and closed-book (approximately 100 questions). The distribution of 50 and 100 questions respectively for open-book and closed-book examinations is approximate; however the total is always 150 questions.

 

Each question is multiple-choice question with given 4 possible choices. Only one is the correct choice. The candidates have to pick-up the correct choice, and indicate the same on separate answer sheet. The answer sheet along with the question paper should be returned back to the Supervisor. The correct answer is to be indicated by blackening (filling) the relevant circle by a pencil. There is no set passing percentage. However a score of about 110 to 125 out of 150 is a good estimate of passing score.

Please note the following:

• Fill only one circle out of four given
• Fill the circle fully and completely. Half or less than half blackened circle area is not reckoned for answer.
• Never indicate the answers by ticking (√) the circles.
• There is no negative marking.

During the “open-book” session, you are permitted to refer to the codes and other documents as per “Effective Sheets”. Code pages may be tabbed, high lightened, underlined or notes in margin of the pages are accepted. Additional new pages to codes are not accepted. Always carry the following to the exam hall.

• 2 Nos. B or 2B pencils and eraser
• Non-programmable calculator
• Photo identity (passport, driving license, etc.)
• Exam confirmation letter

Be present in the exam hall at least 15 minutes prior to scheduled start of exam. The supervisor announces important instructions during this period. Do not miss them. Now relax and attempt the exam calmly. Time is always more than enough.

Good luck, friends!

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