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API 510 Daily Exam 8 (OPEN)

Note: 1. Answer the questions by referring attached WPS/PQR documents.

2. Tick only one alternative which you think is most appropriate.

1. Choose correct statement from the following:

a. The PQR shows root spacing of 1/8 and same shall befollowed in production welding.

b. PQR shows beval angle 37. It shall be followed inproduction welding without change.

c. PQR does not show backing ring, hence production weldalso can not be with backing ring

d. None of above is correct statement.

2. What condition below describes the results of the guided bend

test?

a. The three bend tests are acceptable and the fourth oneis not acceptable

b. The test result overall is acceptablec. The test result is not acceptable due to the linear

indicationd. The bend test result is indeterminable, carry out re-

test.

3. The minimum qualified preheat temperature for the WPS is:

a. 200 F

b. 100 Fc. 75 F

d. None of above

4. What welding process is qualified by this PQR?

a. GTAWb. SMAW

c. GMAWd. SAW

5. What is the P number and the tensile strength of SA-106-C?

a. P No. 1 and 70 ksib. P No. 1 and 60 ksi

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c. P No. 3 and 70 ksi

d. P No. 3 and 60 ksi

6. In accordance with the PQR, the WPS is qualified for whatwelding positions?

a. Flat and horizontal

b. Flat, vertical, overhead and horizontalc. Vertical and overheadd. All positions

7. What is the F No. of an E 6010 electrode?

a. F no. 4

b. F No. 3c. F No. 2

d. F No. 1

8. The welder who welded the test plate for PQR 101 is qualified toweld in what position?

a. Flatb. Flat and horizontal

c. Flat and verticald. Flat, vertical and horizontal

9. The bend test specimen used are side bend. They are:

a. Not accepted since 2 face bend and 2 root bend must beused

b. Accepted since as alternative to (a) 4 side bend may beused

c. Accepted since only 2 bend tests are required where as 4bend tests are performed

d. Not accepted since all 3 types of bend tests (face, root,side) are required.

10. As far as thickness ranges for Base Metal (B.M.) and weld metal

(W.M.) as shown on WPS are concerned, your decision about thequalified range is:

a. B.M. is okay and W.M. is not okay.b. Both B.M. and W.M. are okay.

c. Both B.M. and W.M. are not okay.d. W.M. is okay and B.M. is not okay.



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11. PWHT of PQR test coupon shows No PWHT. It means that the

PWHT for ____________:

a. WPS may be with PWHTb. WPS must be without PWHT

c. WPS must be without PWHTd. WPS may be with or without PWHT as PWHT is non-

essential variable

12. In production welds, if groove design is changed to double V

groove for the qualified base metal thickness, as per ASME Sec.IX will you:

a. Accept the change since it is non-essential variable

b. Will not accept since it is essential variablec. Accept only if okay by radiography

d. Accept only if okay by both radiography and UT

13. Based on the specimen areas provided in PQR, are the ultimatestress calculations correct (as rounded up to psi) for specimenT1 and T2:

a. Calculation is okay for T1 alone.b. Calculation is okay for T2 alone.

c. Calculations for both are okay.d. Calculations for both are not okay.

14. Which condition below best describes the result of tensile tests

reported on the PQR?

a. Test T1 & T2 are acceptableb. Test T1 & T2 are unacceptablec. Test T1 is acceptable & T2 is unacceptable

d. Test T1 is unacceptable & T2 is acceptable

15. If electrode E7010 shown on WPS is changed to E7018, what isyour decision?

a. Revise WPS to show the change and re-submit as

new revision

b. No revision of WPS is necessary as both belong tosame F number.

c. A new PQR will be required to support the change.



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d. No revision of WPS required but show the change in

same PQR and submit it as new revision.



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