Pipefitter NCCER Test Comprehensive Pipe Filtration System Test and
Assessment – (2025-2026)
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 - ✔✔✔-C
A cold spring relieves
A) Cavitation
B) Water hammer
C) Thermal expansion
D) Tension - ✔✔✔-C
A length of 1 1/2-inch pipe is to be cut to run between two 90-drgree 6,000# threaded
fittings. The fittings measure 7 ft 2 1/4 inches center-to-center. What is the cut length of
the pipe?
A) 6 feet 8 5/8 inches
B) 6 feet 8 3/4 inches
C) 6 feet 10 5/8 inches
D) 7 feet 2 1/4 inches - ✔✔✔-C
A pipe nipple is any length of threaded pipe that is shorter than
A) 12''
B) 13''
C) 14''
,Pipefitter NCCER Test Comprehensive Pipe Filtration System Test and
Assessment – (2025-2026)
D) 15'' - ✔✔✔-A
A piping drawing that shows both the side view and the top view of a piping system is
A) Elevation
B) Isometric
C) Plan
D) Double-line - ✔✔✔-B
A plot shows the:
A) Framework of a building
B) Schematic diagram of a system
C) Location of a building on a piece of property
D) Locations of equipment within a system - ✔✔✔-C
A plug valve is used to.
A) Start and stop flow
B) Regulate flow
C) Prevent reverse flow
D) Divert flow - ✔✔✔-A
A pretest field inspection includes all of the following EXCEPT the
A) Piping system matches the drawings
B) Piping components match the specifications
C) Proper gaskets are Installed
D) Vent at the low point of the system - ✔✔✔-D
, Pipefitter NCCER Test Comprehensive Pipe Filtration System Test and
Assessment – (2025-2026)
A threading machine equipped with NPT dies is designed to cut which type of threads.
A) Machine bolt threads
B) National pipe threads
C) New pipe threads
D) Non-plumbed threads - ✔✔✔-B
A vertical pipe filled with 10'' of water has a head pressure of
A) 4.25 psi
B) 4.33 psi
C) 4.38 psi
D) 4.5 psi - ✔✔✔-B
All of the following drawing dimensions are used to determine the overall length of Run
of a pipe EXCEPT.
A) Pipe diameter
B) Center-to-center
C) Face-to-face
D) Center-to-face - ✔✔✔-A
All of the following types of pipe are thermoplastic EXCEPT.
A) Polyvinyl Chloride (PVC)
B) Fiberglass
C) Polyethylene
D) Acrylonitrile - Butadiene- Styrene - ✔✔✔-B
Assessment – (2025-2026)
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 - ✔✔✔-C
A cold spring relieves
A) Cavitation
B) Water hammer
C) Thermal expansion
D) Tension - ✔✔✔-C
A length of 1 1/2-inch pipe is to be cut to run between two 90-drgree 6,000# threaded
fittings. The fittings measure 7 ft 2 1/4 inches center-to-center. What is the cut length of
the pipe?
A) 6 feet 8 5/8 inches
B) 6 feet 8 3/4 inches
C) 6 feet 10 5/8 inches
D) 7 feet 2 1/4 inches - ✔✔✔-C
A pipe nipple is any length of threaded pipe that is shorter than
A) 12''
B) 13''
C) 14''
,Pipefitter NCCER Test Comprehensive Pipe Filtration System Test and
Assessment – (2025-2026)
D) 15'' - ✔✔✔-A
A piping drawing that shows both the side view and the top view of a piping system is
A) Elevation
B) Isometric
C) Plan
D) Double-line - ✔✔✔-B
A plot shows the:
A) Framework of a building
B) Schematic diagram of a system
C) Location of a building on a piece of property
D) Locations of equipment within a system - ✔✔✔-C
A plug valve is used to.
A) Start and stop flow
B) Regulate flow
C) Prevent reverse flow
D) Divert flow - ✔✔✔-A
A pretest field inspection includes all of the following EXCEPT the
A) Piping system matches the drawings
B) Piping components match the specifications
C) Proper gaskets are Installed
D) Vent at the low point of the system - ✔✔✔-D
, Pipefitter NCCER Test Comprehensive Pipe Filtration System Test and
Assessment – (2025-2026)
A threading machine equipped with NPT dies is designed to cut which type of threads.
A) Machine bolt threads
B) National pipe threads
C) New pipe threads
D) Non-plumbed threads - ✔✔✔-B
A vertical pipe filled with 10'' of water has a head pressure of
A) 4.25 psi
B) 4.33 psi
C) 4.38 psi
D) 4.5 psi - ✔✔✔-B
All of the following drawing dimensions are used to determine the overall length of Run
of a pipe EXCEPT.
A) Pipe diameter
B) Center-to-center
C) Face-to-face
D) Center-to-face - ✔✔✔-A
All of the following types of pipe are thermoplastic EXCEPT.
A) Polyvinyl Chloride (PVC)
B) Fiberglass
C) Polyethylene
D) Acrylonitrile - Butadiene- Styrene - ✔✔✔-B
