Pipefitter NCCER Test Questions with Correct

Pipefitter NCCER Test Questions with Correct Answers Convert 1/4 to its decimal equivalent.

A) .01

B) .25

C) 0.4

• 0.5 - Correct Answer B

Piping that is field-routed to a pump must be supported

• Off the pump suction
• Diagonally
• Independently
• Off the pump discharge - Correct Answer C

What is used when lighting a cutting torch ?

• Striker
• Cigarette lighter
• Match
• Any open flame - Correct Answer A

Where is specific information needed to install piping and associated items found ?

• Reliability network
• Owner of the company
• Material Manufacturer
• Standards and Specifications - Correct Answer D

Damaged and broken tools should be

• Used if possible
• Kept for backup
• Taken out of Service 1 / 3

• Used for minor tasks - Correct Answer C

What is the ID of 10'' schedule 80 piping.

A) 9 3/16

B) 9 5/16

C) 9 9/16

• 10 1/16 - Correct Answer C

The two steps in making up threaded joints are the hand engagement and

• Machine makeup
• Wrench makeup
• Driver makeup - Correct Answer B

Which of the following actions should be taken before a hydrostatic test is performed ?

• Remove pressure relief valves
• Leave control mechanisms in place
• Leave orifice flanges in place
• Remove blinds - Correct Answer a

A 4-inch lateral riser is to be fabricated for a 6-inch pipe. How many ordinate lines will be needed to lay out this cut ?

• 32
• 16
• 8
• 4 - Correct Answer C

Who is qualified to repair power tools.

• Journey person
• Competent Technician
• Electrician
• Tool crib attendant - Correct Answer B 2 / 3

Which of the following plastic pipes is NOT joined by solvent welding ?

A) PVC

B) HDPE

C) CPVC

• ABS - Correct Answer B

Material placed in the bottom of the trench under the pipe to provide support is called.

• Heave
• Sub trench
• Trench load
• Bedding - Correct Answer D

Socket weld joints have a gap between the end of the pipe and the bottom of the socket. What is the purpose of this gap ?

• Makes assembly easier
• Reduces flexibility at the fitting
• Prevents weld cracking
• Provides fit-up adjustment - Correct Answer C

When are rupture discs installed into a pipeline?

• Before flushing and testing of pipeline
• After installation of the pipeline
• Before start-up of the system
• After start-up of the system - Correct Answer C

Chain come-alongs are PRIMARILY designed for?

• Lifting in close quarters
• Vertical lifting
• Lifting in any location
• Horizontal lifting - Correct Answer B
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