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Hey welded repair is made stainless steel cladding the Vessel's base material is Carbon steel the completed weld repair should be examined using

A. MT
*** PT
C. MT and PT
D. MT and UT (Flaw detection)
E. PT and UT (Flaw detection)
F. MT or PT, and UT (Flaw detection)

1

A welded repair is made stainless steel cladding. The vessels base material is a P – 4 steel. The completed weld repair should be Examined using;

PT and UT (flaw Detection)

2

Wdle Qualification - Maximum allowed thickness on a WPS based on the plate thickness (T) of a PQR test coupon (IX: QW-451.1)

2T

3

H electromagnetic MT yoke Should be calibrated?

Annually

4

Design- current safety factor of ASME SECT VIII

3.5

5

During a vessel repair or alteration, when can preheating be used as an intern at four post weld heat treating?

For P1 & P3 materials

6

Design - ASME Sect VIII stamp for relief devices (VIII: Fig UG-129.1)

UV

7

RT FILM DENSITY- limits of weld as compared to the IQI (range)

-15% to +30%

8

Design- Recommend resistance of grounding systems

5 ohms

9

Design - ASME Sect VIII stamp for routine vessels (VIII: UG-116.a.1.a)

U

10

Welding - Variables needed on WPS (IX: QW-200.1.b)

Essential & Non-Essential

11

In a planning for an internal inspection A what has contained acidic corrodents, what type and location of corrosion would you expect to find on the vessel shell, away from the welds?

1- H2 Blistering in the vapor space
2- H2 and embrittlement in the vapor space
3- H2 blistering near the liquid level
4- H2 embrittlement below the liquid level

3- H2 blistering near the liquid level

12

NDE- Minimum # of exposure to RT 360* of a weld using a double-wall technique, single-wall view

3

13

When the short-term and long-term corrosion rates differ, who should determine which rate to use in the remaining life calculations????

AI

14

NDE- Max calibration interval- Electromagnetic MT Yoke

1 yr

15

NDE-Max calibration interval- check the light intensity of a black light used in a MT or PT exam

BEFORE & AFTER USE

16

Design - ASME Sect VIII stamp for miniature vessels (VIII: UG-116.a.1.b)

UM

17

Define - Imperfection that exceeds the acceptance criteria (510: 3.15)

Defect

18

During an in-service internal inspection, a crack is discovered on longitudinal weld. This crack can be Evaluated to which code?

API 579

19

Design- Maximum resistance allowed of grounding systems?

25 ohms

20

Welding - Minimum taper required for shell welds with mismatch (VIII: UW-9.c)

3 to 1

21

Exchangers are built to ASME B&PV section VII and :

A. API 560
B. API 650
****C. API 660
D. ASME B16.5

22

Design - Marking on nameplate indicating vessel was PWHT (VIII: Fig UG-118)

HT

23

How many show welds are required to be radiographed per API 577?

Zero

24

Temporary repairs to pressure can be left longer vessels if?

May remain in place for long periods if approved by the pressure vessel engineer

25

METALS- amount of nickel required for material to be considered a nickel Alloy

>30%

26

Ratio of endurance limit stress to Ultimate Tensile Stress for Carbon Steel

0.4-0.5

27

Design - Weld Type - Butt Single Welded Without Backing (VIII: Fig UW-12)

Type 3

28

Each pressure relief device should;

A - Be repaired by organization with "R" stamp
B- Have an appropriate numbers of TML's
C- be externally inspected every 2 years
D- Have an ID tag indicating the devices equipment number.

D- Have an ID tag indicating the devices equipment number

29

NDE - Lead letter used during RT to check for backscatter radiation (V: T-223)

B