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Question No : 1
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 No : 2
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 No : 3
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 No : 4
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 No : 5
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 No : 6
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 No : 7
Besides ultrasonic instruments, what other method can be used to determine thickness measurements?

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

Answer:

Question No : 8
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 No : 9
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 No : 10
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:

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