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Updated Nov 30, 2022 31 Questions 3 Pages

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Question 1 Selectable Answer

An operator notice a pipe off its support, what should be done?

A. Ignore the situation
B. Report the situation to engineering or inspection personnel
C. Keep a record of the situation for future reference
D. Contact maintenance personnel for immediate repair

Answer:

Question 2 Selectable Answer

A piping system started with a wall thickness of 0.375 inches. Over a five year period the wall thickness is now 0.1”.
What is the long term corrosion rate?

A. 0.055 inches per year
B. 0.005 inches per year
C. 550 Inches per year
D. Not enough information given

Answer:

Question 3 Selectable Answer

The weld ripples of reinforcement of butt-welded joints shall be before radiography.

A. removed
B. ground flush, with grinding direction parallel to the weld
C. ground flush, with grinding direction perpendicular to the weld
D. removed if irregularities mask discontinuities

Answer:

Question 4 Selectable Answer

Temperatures above can damage transducers not equipped with delay line material.

A. There is no limit to temperature
B. manufacturer's specification
C. 280 psi
D. 1,000 psi

Answer:

Question 5 Selectable Answer

Of the following examples, which one may cause a leak in a threaded joint?

A. Back welding the fitting
B. Lack of thread lubricant
C. Under pressuring the part
D. Changing the direction of flow in the piping system

Answer:

Question 6 Selectable Answer

During a welder qualification test on 3/8” plate in the horizontal position, how many guided bends are required?

A. 6 side bends
B. 2 nick breaks
C. 1 face and 1 root bends
D. 4 tensile specimens

Answer:

Question 7 Selectable Answer

Besides ultrasonic instruments, what other method can be used to determine thickness measurements?

A. AET
B. ET
C. MT
D. RT

Answer:

Question 8 Selectable Answer

Aboveground piping is subject to atmospheric corrosion.
What is buried piping subject to?

A. Erosion
B. Anodic reaction
C. Soil electrolytes
D. Soil corrosion

Answer:

Question 9 Selectable Answer

Why should a leaking threaded joint not be tightened while the system is in service?

A. The craftsman should not be near the threaded connection
B. Rust or corrosion might be holding the pressure
C. The joint might be unscrewed
D. A crack in a thread root might fail

Answer:

Question 10 Selectable Answer

03 inches/year 5 Years
MAWP:

A. 674 psig
B. 323 psig
C. 125 psig
D. Metal loss exceeds the requirements for 5 year inspection interval

Answer:

Question 11 Selectable Answer

What is the prescribed alignment for the inside surfaces of circumferential welds to be groove welded?

A. ? 1/16"
B. ? 1/32"
C. Within the dimensional limits in the WPS
D. The fabricator's discretion

Answer:

Question 12 Selectable Answer

The minimum allowable thickness of a piping component shall be based on.

A. pressure, mechanical and structural considerations
B. previous experience of the owner
C. corrosiveness of the product only
D. availability of piping materials

Answer:

Question 13 Selectable Answer

Peening of the weld is prohibited on what part of the weld?

A. Root and final pass
B. Intermediate passes
C. Along the toe of the weld
D. Within 1" of the weld area

Answer:

Question 14 Selectable Answer

For a single wall material thickness, over 0.375” through 0.50”, what is the hole type designation for a source side penetrameter

A. 15
B. 17
C. 20
D. 25

Answer:

Question 15 Selectable Answer

What is the maximum measurement for open defects in the weld or heat affect zone for a guided bend specimen?

A. 1/16"
B. 1/8"
C. 3/16"
D. No open defects are allowed

Answer:

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