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PIPEFITTER NCCER TEST UESTIONS AND ANSWERS
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PIPEFITTER NCCER TEST UESTIONS AND ANSWERS
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PIPEFITTER NCCER TEST UESTIONSAND ANSWERS
Convert 1/4 to its decimal equivalent.
A) .01
B) .25
C) 0.4
D) 0.5 - Answer-B
Piping that is field-routed to a pump must be supported
A) Off the pump suction
B) Diagonally
C) Independently
D) Off the pump discharge - Answer-C
What is used when lighting a cutting torch ?
A) Striker
B) Cigarette lighter
C) Match
D) Any open flame - Answer-A
Where is specific information needed to install piping and associated items found ?
A) Reliability network
B) Owner of the company
C) Material Manufacturer
D) Standards and Specifications - Answer-D
Damaged and broken tools should be
A) Used if possible
B) Kept for backup
C) Taken out of Service
D) Used for minor tasks - Answer-C
What is the ID of 10'' schedule 80 piping.
A) 9 3/16
B) 9 5/16
C) 9 9/16
D) 10 1/16 - Answer-C
The two steps in making up threaded joints are the hand engagement and
A) Machine makeup
B) Wrench makeup
C) Driver makeup - Answer-B
Which of the following actions should be taken before a hydrostatic test is performed ?
,A) Remove pressure relief valves
B) Leave control mechanisms in place
C) Leave orifice flanges in place
D) Remove blinds - 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 ?
A) 32
B) 16
C) 8
D) 4 - Answer-C
Who is qualified to repair power tools.
A) Journey person
B) Competent Technician
C) Electrician
D) Tool crib attendant - Answer-B
Which of the following plastic pipes is NOT joined by solvent welding ?
A) PVC
B) HDPE
C) CPVC
D) ABS - Answer-B
Material placed in the bottom of the trench under the pipe to provide support is called.
A) Heave
B) Sub trench
C) Trench load
D) Bedding - 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 ?
A) Makes assembly easier
B) Reduces flexibility at the fitting
C) Prevents weld cracking
D) Provides fit-up adjustment - Answer-C
When are rupture discs installed into a pipeline?
A) Before flushing and testing of pipeline
B) After installation of the pipeline
C) Before start-up of the system
D) After start-up of the system - Answer-C
Chain come-alongs are PRIMARILY designed for?
A) Lifting in close quarters
B) Vertical lifting
, C) Lifting in any location
D) Horizontal lifting - Answer-B
Which of the following types of copper tubing has the thickest wall
A) K
B) L
C) M
D) Acr - Answer-A
What is the MINIMUM grade of chain that may be used for rigging loads overhead?
A) 5
B) 6
C) 7
D) 8 - Answer-D
At and above what norminal pipe size is the O.D. of the pipe the same as the norminal
size of the pipe.
A) 10''
B) 12''
C) 14''
D) 16'' - Answer-C
Which type of field sketch has base lines that are 30 degrees to the horizontal axis?
A) Orthographic
B) Oblique
C) P & ID
D) Isometric - Answer-D
The MINIMUM number of pre-heat holes for liquefied fuel tips is
A) 2 C) 6
B) 4 D) 8 - Answer-C
The first step to changing blades and bits on power tools is to
A) Disassemble tool
B) Disconnect the power
C) Remove the guards
D) Get a new blade or bit - Answer-B
What must be done to MOST socket welded valves before being welded into place?
A) Close the valve completely
B) Close the valve halfway
C) Open the valve completely
D) Cover the end of the valve - Answer-C
What is the length of pipe required to fabricate a 6''diameter schedule 40 pipe spool
with one class 150# RFWN flange on one end, and one class 300# RFWN flange on the
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