API 653 Sec-11 - (Welding)

Question 1

Welding procedure specifications (WPSs) and welders and welding operators shall be qualified in
accordance with …………

Answer 1

Section IX

Question 2

For WPS , the additional requirements shall be of ……………

Answer 2

API 650, 653, & Section 9

Question 3

Welding procedures for Strcutural parts to the tank, shall comply with …………………

Answer 3

either AWS D1.1, AWS D1.6, or Section IX

Question 4

If the material specification for the steel from an
existing tank is unknown or obsolete, …………. for the welding procedure qualification shall be taken from the actual plate to be used.

Answer 4

test coupons

Question 5

The welder or welding operator’s identification mark shall be hand- or machine-stamped adjacent to and at
intervals not exceeding ………..along the completed welds

Answer 5

3 ft

Question 6

Roof plate welds and flange-to-nozzle-neck welds do not require ……….

Answer 6

welder identification.

Question 7

If impact testing is not required, Preheating Method is limited to use on ……….. materials

Answer 7

P-1

Question 8

If impact testing is not required, The welding methods shall be limited to the…..

Answer 8

(SMAW), (GMAW), (FCAW) & (GTAW)

Question 9

If impact testing is not required, The weld area shall be preheated and maintained at a minimum temperature of ………………. during welding

Answer 9

150 °C (300 °F)

Question 10

If impact testing is not required, The Preheat temperature shall be checked to assure that ……….. of the material or ……………. (whichever is greater) on each side of the …………. is maintained at the minimum temperature during welding.

Answer 10

100 mm (4 in.) or four times the material thickness
groove

Question 11

If impact testing is not required,, The maximum inter-pass temperature shall not exceed …………..

Answer 11

315 °C (600 °F)

Question 12

Welding Methods (Impact Testing Required), is limited to …………..steels materials

Answer 12

P-1, P-3, and P-4

Question 13

Welding Methods (Impact Testing Required), is limited to

Answer 13

(SMAW), (GMAW), (FCAW) & (GTAW)

Question 14

The test material (unknown) for the welding procedure qualification shall not have a carbon content of more than …………..

Answer 14

0.35 %

Question 15

If special hardness limits are necessary for corrosion resistance, the range of variables shall be with in ranges that used in the …………..

Answer 15

procedure qualification test.

Question 16

If special hardness limits are necessary for corrosion resistance, welds made by SMAW after completion of welding and without allowing the weldment to cool below the minimum preheat temperature, the temperature of the weldment shall be raised to a temperature of …………….. for a minimum period of …….

Answer 16

260 °C±30 °C (500 °F ±50 °F)

two to four hours

Question 17

This hydrogen bake-out treatment may be omitted provided the electrode used is classified by the filler metal specification with an optional supplemental diffusible-hydrogen designator of

Answer 17

H4 (such as E7018-H4).

Question 18

If special hardness limits are necessary for corrosion resistance, After the finished repair weld has cooled to ambient temperature, the final temper bead reinforcement layer shall be …………. with the surface of the base material

Answer 18

.removed substantially flush

Question 19

Welding shall conform to the permit and safety precautions of Section 1.4 of …………

Answer 19

API 2009