NCCER PIPEFITTER ACTUAL EXAM PREP
2026 ALL QUESTIONS AND CORRECT
DETAILED ANSWERS ALREADY A GRADED
WITH EXPERT FEEDBACK |NEW AND
REVISED
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
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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
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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
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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?