1|Page
NCCER INSTRUMENTATION EXAM
2026/2027 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND 100% CORRECT DETAILED
ANSWERS|ALREADY GRADED A+
Save
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
,2|Page
OSHA requires that existing conditions be tested or
inspected before beginning work on electrical equipment
by using a:
A. Multimeter
B. Voltage calibrator
C. Megger
D . Amp probe - ANSWER-A. Multimeter
The main function of a transducer is to:
A. Convert one signal from another signal form
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
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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
100psi. The regulator is sluggish during load changes.
What is the first step to improve the operation of the
regulator?
A.Repair the regulator
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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
On a field mounted controller, the set point is changed:
A. Automatically
B. Remotely
NCCER INSTRUMENTATION EXAM
2026/2027 NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND 100% CORRECT DETAILED
ANSWERS|ALREADY GRADED A+
Save
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
,2|Page
OSHA requires that existing conditions be tested or
inspected before beginning work on electrical equipment
by using a:
A. Multimeter
B. Voltage calibrator
C. Megger
D . Amp probe - ANSWER-A. Multimeter
The main function of a transducer is to:
A. Convert one signal from another signal form
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
,3|Page
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
100psi. The regulator is sluggish during load changes.
What is the first step to improve the operation of the
regulator?
A.Repair the regulator
, 4|Page
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
On a field mounted controller, the set point is changed:
A. Automatically
B. Remotely
