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NCCER INSTRUMENTATION EXAM
2026/2027 NEWEST ACTUAL EXAM WITH VERIFIED
QUESTIONS AND 100% CORRECT DETAILED
ANSWERS|ALREADY GRADED A+ BRAND NEW!!
To accurately measure liquid level in a closed tank under
pressure, use a:
A. Bubbletube
B. Diaphragm box
C. Float cable
D .Dp transmitter - ANSWER-D .Dp transmitter
The part of a control valve that controls the plug
proportionally to the output of the controller is the:
A .Handwheel operator
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B. Valve positioner
C. Operating spring
D. Diaphragm - ANSWER-B. Valve positioner
Workers should always assume that all electrical
equipment and lines are:
A .Deenergized until proven
B .Energized until proven
C. Proven with a hot stick
D. Proven by another employee - ANSWER-B. Energized
until proven
The main function of a transducer is to:
A. Convert one signal from another signal form
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B. Reduce primary voltage to low voltage
C. Convert motion to frequency
D. Amplify and retransmit an instrument signal - ANSWER-
A. Convert one signal from another signal form
What type of liquid is used for degreasing electronic
equipment?
A. Acid Solvents
B. Basic Solvents
C. Isopropyl alcohol
D. Water - ANSWER-C. Isopropyl alcohol
The high pressure gas line has a large self-operated
regulator. Inlet pressure is 300psi. Outlet pressure is
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100psi. The regulator is sluggish during load changes.
What is the first step to improve the operation of the
regulator?
A.Repair the regulator
B. Lower the inlet pressure
C. Raise the outlet pressure D. Replace the regulator -
ANSWER-B. Lower the inlet pressure
During acid cleaning a tubing run after installation it is very
important to:
A. Place a basin at the end of the run
B. Leave all valves open throughout the run.
C. Vent high points
D. Drain low points - ANSWER-D. Drain Low points
NCCER INSTRUMENTATION EXAM
2026/2027 NEWEST ACTUAL EXAM WITH VERIFIED
QUESTIONS AND 100% CORRECT DETAILED
ANSWERS|ALREADY GRADED A+ BRAND NEW!!
To accurately measure liquid level in a closed tank under
pressure, use a:
A. Bubbletube
B. Diaphragm box
C. Float cable
D .Dp transmitter - ANSWER-D .Dp transmitter
The part of a control valve that controls the plug
proportionally to the output of the controller is the:
A .Handwheel operator
,2|Page
B. Valve positioner
C. Operating spring
D. Diaphragm - ANSWER-B. Valve positioner
Workers should always assume that all electrical
equipment and lines are:
A .Deenergized until proven
B .Energized until proven
C. Proven with a hot stick
D. Proven by another employee - ANSWER-B. Energized
until proven
The main function of a transducer is to:
A. Convert one signal from another signal form
,3|Page
B. Reduce primary voltage to low voltage
C. Convert motion to frequency
D. Amplify and retransmit an instrument signal - ANSWER-
A. Convert one signal from another signal form
What type of liquid is used for degreasing electronic
equipment?
A. Acid Solvents
B. Basic Solvents
C. Isopropyl alcohol
D. Water - ANSWER-C. Isopropyl alcohol
The high pressure gas line has a large self-operated
regulator. Inlet pressure is 300psi. Outlet pressure is
, 4|Page
100psi. The regulator is sluggish during load changes.
What is the first step to improve the operation of the
regulator?
A.Repair the regulator
B. Lower the inlet pressure
C. Raise the outlet pressure D. Replace the regulator -
ANSWER-B. Lower the inlet pressure
During acid cleaning a tubing run after installation it is very
important to:
A. Place a basin at the end of the run
B. Leave all valves open throughout the run.
C. Vent high points
D. Drain low points - ANSWER-D. Drain Low points
