1|Page
Pipefitter Certification Test Bank 2025 With 400
Review Questions and Correct Answers/ Pipefitter
NCCER Test Prep Latest / NCCER Pipefitter Practice
Exam 2025
Convert 1/4 to its decimal equivalent. - ...ANSWER...✓✓ B)
.25
Piping that is field-routed to a pump must be supported. -
...ANSWER...✓✓ C) Independently
What is used when lighting a cutting torch ? -
...ANSWER...✓✓ A) Striker
Where is specific information needed to install piping and
associated items found ? - ...ANSWER...✓✓ D) Standards
and Specifications
Damaged and broken tools should be - ...ANSWER...✓✓
C) Taken out of Service
,2|Page
What is the ID of 10'' schedule 80 piping. - ...ANSWER...✓✓
C) 9 9/16
The two steps in making up threaded joints are the hand
engagement and - ...ANSWER...✓✓ B) Wrench makeup
Which of the following actions should be taken before a
hydrostatic test is performed ? - ...ANSWER...✓✓ D)
Remove blinds
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
? - ...ANSWER...✓✓ C) 8
Who is qualified to repair power tools. - ...ANSWER...✓✓
B) Competent Technician
Which of the following plastic pipes is NOT joined by
solvent welding ? - ...ANSWER...✓✓ B) HDPE
Material placed in the bottom of the trench under the pipe
to provide support is called. - ...ANSWER...✓✓ D) Bedding
, 3|Page
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 ? - ...ANSWER...✓✓ C) Prevents weld cracking
When are rupture discs installed into a pipeline? -
...ANSWER...✓✓ C) Before start-up of the system
Chain come-alongs are PRIMARILY designed for? -
...ANSWER...✓✓ B) Vertical lifting
Which of the following types of copper tubing has the
thickest wall - ...ANSWER...✓✓ A) K
What is the MINIMUM grade of chain that may be used for
rigging loads overhead? - ...ANSWER...✓✓ D) 8
At and above what nominal pipe size is the O.D. of the
pipe the same as the nominal size of the pipe. -
...ANSWER...✓✓ C) 14''
Pipefitter Certification Test Bank 2025 With 400
Review Questions and Correct Answers/ Pipefitter
NCCER Test Prep Latest / NCCER Pipefitter Practice
Exam 2025
Convert 1/4 to its decimal equivalent. - ...ANSWER...✓✓ B)
.25
Piping that is field-routed to a pump must be supported. -
...ANSWER...✓✓ C) Independently
What is used when lighting a cutting torch ? -
...ANSWER...✓✓ A) Striker
Where is specific information needed to install piping and
associated items found ? - ...ANSWER...✓✓ D) Standards
and Specifications
Damaged and broken tools should be - ...ANSWER...✓✓
C) Taken out of Service
,2|Page
What is the ID of 10'' schedule 80 piping. - ...ANSWER...✓✓
C) 9 9/16
The two steps in making up threaded joints are the hand
engagement and - ...ANSWER...✓✓ B) Wrench makeup
Which of the following actions should be taken before a
hydrostatic test is performed ? - ...ANSWER...✓✓ D)
Remove blinds
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
? - ...ANSWER...✓✓ C) 8
Who is qualified to repair power tools. - ...ANSWER...✓✓
B) Competent Technician
Which of the following plastic pipes is NOT joined by
solvent welding ? - ...ANSWER...✓✓ B) HDPE
Material placed in the bottom of the trench under the pipe
to provide support is called. - ...ANSWER...✓✓ D) Bedding
, 3|Page
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 ? - ...ANSWER...✓✓ C) Prevents weld cracking
When are rupture discs installed into a pipeline? -
...ANSWER...✓✓ C) Before start-up of the system
Chain come-alongs are PRIMARILY designed for? -
...ANSWER...✓✓ B) Vertical lifting
Which of the following types of copper tubing has the
thickest wall - ...ANSWER...✓✓ A) K
What is the MINIMUM grade of chain that may be used for
rigging loads overhead? - ...ANSWER...✓✓ D) 8
At and above what nominal pipe size is the O.D. of the
pipe the same as the nominal size of the pipe. -
...ANSWER...✓✓ C) 14''
