Nccer Plumbing Level 1 Exam study Guide || Most Recent Exam
2026-2027 Actual Complete Real Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ | Guaranteed
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A globe valve is most effective for which of the following
purposes in a plumbing
system? - ANSWER -Providing precise
control of flow
When measuring pipe, your pipe will be cut too short
unless you take into
account it's - ANSWER -Thread
engagement
When measuring pipe before cutting and threading it, which
Method would be
best when the pipe the pipe section has fittings threaded
on both ends -
ANSWER -Center-
center
Which of the following tools listed would be the best for turning
a small-diameter
,black-iron pipe while threading it into a fitting - ANSWER
-Chain wrench
Which of the following statements about cutting threads on a
pipe is not true -
ANSWER -Frequently wipe off chips with your bare
hands to check for
smoothness of
the cut.
The first step in joining a threaded carbon steel water pipe
to a fitting is -
ANSWER -applying pipe- joint
compound or tape
When joining grooved pip, the plumber must - ANSWER -
Make sure that no
part of the gasket extends into the
grooves
A hanger that touches or connects directly to the pipe
itself is called an -
ANSWER -
Attachment
Securing a pipe directly to a concrete surface could
invovle - ANSWER -Pipe
clamps and powder-
actuated ancht
,Among different manufacturers, the components of CSST
systems are -
ANSWER -Not
interchangeable
Which of the following statements about installing CSST pipe
for fuel gas services is true - ANSWER -Plumbers certified by
CSST manufactures or their certified trainers can install CSST
pipe and fittings
What can protect CSST piping from penetration when it runs
within hollow walls
- ANSWER -Striker
plates
Which is fathers following factors would inform a decision to
use an extra strong
or double extra strong pipe? - ANSWER -The pipe will have to
with stand strong
pressures
Drainage fittings are designed so the horizontal lines
connected to them will
have - ANSWER –
Slope
When cutting a pipe, how much should the cutting shell be
turned with each turn
, of the pipe - ANSWER -1
revolution
Which of the following is a source for information about proper
hanger spacing?
- ANSWER -The job
specifications
Which of the following is used in CSST systems to shut off
the flow of gas
quickly - ANSWER -Gas
cocks
A device that receives water from a water supply line and/or
discharges waste
water into a connected drainage system is called a -
ANSWER -Fixture
Because of its versatility, light weight, and relatively low cost,
material that is
often used to make plumbing fixtures is -
ANSWER –Plastic
Corner lavatories, raised back lavatories, and ledge lavatories
are examples of -
ANSWER -Wall hung
lavatories
2026-2027 Actual Complete Real Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ | Guaranteed
Success!! | Newest Exam | Just Released!!
A globe valve is most effective for which of the following
purposes in a plumbing
system? - ANSWER -Providing precise
control of flow
When measuring pipe, your pipe will be cut too short
unless you take into
account it's - ANSWER -Thread
engagement
When measuring pipe before cutting and threading it, which
Method would be
best when the pipe the pipe section has fittings threaded
on both ends -
ANSWER -Center-
center
Which of the following tools listed would be the best for turning
a small-diameter
,black-iron pipe while threading it into a fitting - ANSWER
-Chain wrench
Which of the following statements about cutting threads on a
pipe is not true -
ANSWER -Frequently wipe off chips with your bare
hands to check for
smoothness of
the cut.
The first step in joining a threaded carbon steel water pipe
to a fitting is -
ANSWER -applying pipe- joint
compound or tape
When joining grooved pip, the plumber must - ANSWER -
Make sure that no
part of the gasket extends into the
grooves
A hanger that touches or connects directly to the pipe
itself is called an -
ANSWER -
Attachment
Securing a pipe directly to a concrete surface could
invovle - ANSWER -Pipe
clamps and powder-
actuated ancht
,Among different manufacturers, the components of CSST
systems are -
ANSWER -Not
interchangeable
Which of the following statements about installing CSST pipe
for fuel gas services is true - ANSWER -Plumbers certified by
CSST manufactures or their certified trainers can install CSST
pipe and fittings
What can protect CSST piping from penetration when it runs
within hollow walls
- ANSWER -Striker
plates
Which is fathers following factors would inform a decision to
use an extra strong
or double extra strong pipe? - ANSWER -The pipe will have to
with stand strong
pressures
Drainage fittings are designed so the horizontal lines
connected to them will
have - ANSWER –
Slope
When cutting a pipe, how much should the cutting shell be
turned with each turn
, of the pipe - ANSWER -1
revolution
Which of the following is a source for information about proper
hanger spacing?
- ANSWER -The job
specifications
Which of the following is used in CSST systems to shut off
the flow of gas
quickly - ANSWER -Gas
cocks
A device that receives water from a water supply line and/or
discharges waste
water into a connected drainage system is called a -
ANSWER -Fixture
Because of its versatility, light weight, and relatively low cost,
material that is
often used to make plumbing fixtures is -
ANSWER –Plastic
Corner lavatories, raised back lavatories, and ledge lavatories
are examples of -
ANSWER -Wall hung
lavatories
