Pipefitter NCCER Test Questions and Answers | Fall 2025/2026
Update | 100% Correct
Question 1
Which of the following parts of a layout will NOT be the same for all three lines in an
equally spread offset?
A) Starting point
B) Run
C) Set
D) Travel
Correct Answer
A
Question 2
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
Correct Answer
B
Page 1 of 57
,Question 3
When performing a hydrostactic test, at what percentage of the MAXINUM intended
test pressure should the test be paused and the system inspected?
A) 25%
B) 30%
C) 50%
D) 75%
Correct Answer
C
Question 4
All of the following types of pipe are thermoplastic EXCEPT.
A) Polyvinyl Chloride (PVC)
B) Fiberglass
C) Polyethylene
D) Acrylonitrile - Butadiene- Styrene
Correct Answer
B
Page 2 of 57
,Question 5
What is the tool shown in the provided figure?
A) Flange Spreader
B) Power Drive
C) Gear Threader
D) Nipple Chuck
Correct Answer
D
Question 6
The movement of pipe that is caused by an increase in temperature is called
A) Hot spring
B) Thermal expansion
C) Heat swelling
D) Pipe stretching
Correct Answer
B
Page 3 of 57
, Question 7
What is the ratio of the distance that the ladder should be from the base of the wall to
the height where the ladder meets the wall.
A) 1/2
B) 1/3
C) 1/4
D) 1/5
Correct Answer
C
Question 8
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
Correct Answer
C
Page 4 of 57
Update | 100% Correct
Question 1
Which of the following parts of a layout will NOT be the same for all three lines in an
equally spread offset?
A) Starting point
B) Run
C) Set
D) Travel
Correct Answer
A
Question 2
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
Correct Answer
B
Page 1 of 57
,Question 3
When performing a hydrostactic test, at what percentage of the MAXINUM intended
test pressure should the test be paused and the system inspected?
A) 25%
B) 30%
C) 50%
D) 75%
Correct Answer
C
Question 4
All of the following types of pipe are thermoplastic EXCEPT.
A) Polyvinyl Chloride (PVC)
B) Fiberglass
C) Polyethylene
D) Acrylonitrile - Butadiene- Styrene
Correct Answer
B
Page 2 of 57
,Question 5
What is the tool shown in the provided figure?
A) Flange Spreader
B) Power Drive
C) Gear Threader
D) Nipple Chuck
Correct Answer
D
Question 6
The movement of pipe that is caused by an increase in temperature is called
A) Hot spring
B) Thermal expansion
C) Heat swelling
D) Pipe stretching
Correct Answer
B
Page 3 of 57
, Question 7
What is the ratio of the distance that the ladder should be from the base of the wall to
the height where the ladder meets the wall.
A) 1/2
B) 1/3
C) 1/4
D) 1/5
Correct Answer
C
Question 8
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
Correct Answer
C
Page 4 of 57
