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INSTRUMENTATION NCCER EXAM A & B
COMPLETE 500 Questions and Detailed
Answers Latest Update This Year
QUESTION: A temperature measuring device that produces a voltage as the temperature
changes is a/an:
A. RTD
B. Thermistor
C. Thermometer
D. Thermocouple - ANSWER-D. Thermocouple
QUESTION: A pressure piping code is found in:
A. ANSI B 131.1
B . NEC 690.
C. OSHA1910.
D. ISA S 5 . 1 - ANSWER-A. ANSI B 131.1
1 ALL THE BEST CHAMP!!
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QUESTION: When marking tubing for cutting, the preferred method is to:
A. Scribe a mark into the tube with a sharp object.
B. Mark the tube with a grease pencil
C. Mark the tube with a felt tip pen - ANSWER-B. Mark the the tube with a grease pencil
QUESTION: An example of a direct measurement indicator is a:
A. Pressure Gauge
B. Bulb thermometer C .Sightglass
D.Flowmeter - ANSWER-A. Pressure Gauge
QUESTION: In loop checks, all of the folowing are performed EXCEPT:
A. Continuity tests
B. Proving
C .Calibrating
D. Tuning - ANSWER-D. Tuning
QUESTION: If 75 volt DC potential is applied to a 25ohm load, the circuit current is:
1 ALL THE BEST CHAMP!!
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A. 0.3 amps
B. 3.0 amps
C. 30 amps
D. 300 milliamps - ANSWER-B. 3.0 amps
QUESTION: A valve has linear-fow characteristics when the:
A. Flow corresponds directly to the valve stem position
B. Differential pressure corresponds directly to the valve stem position
C. Flow is high enough to retract the valve stem
D. Flow does not pass through control loops - ANSWER-B. Differential pressure corresponds
directly to the valve stem position
QUESTION: What is a circuit current if 45VDC is applied to a 250ohm load?
A. 0.18 amp
B. 0.25 amp
C. 0.50 amp
D . 1.8 amp - ANSWER-A. 0.18 amp
1 ALL THE BEST CHAMP!!
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QUESTION: All of the following valves are used to regulate flow EXCEPT:
A. Ball
B. Butterfly
C. Needle
D. Gate - ANSWER-D. Gate
QUESTION: The value of the dynamic variable desired in a process is the:
A. Signal
B. Set point
C. Resolution
D. Specific gravity - ANSWER-B. Set point
When is the BEST time to document each loop check for commissioning?
A. Prior to the start of inspection
B. When updating information on a daily basis
C. At the time each test is complete - ANSWER-C. At the time each test is complete
QUESTION: Teflon paste must not be used on :
1 ALL THE BEST CHAMP!!
INSTRUMENTATION NCCER EXAM A & B
COMPLETE 500 Questions and Detailed
Answers Latest Update This Year
QUESTION: A temperature measuring device that produces a voltage as the temperature
changes is a/an:
A. RTD
B. Thermistor
C. Thermometer
D. Thermocouple - ANSWER-D. Thermocouple
QUESTION: A pressure piping code is found in:
A. ANSI B 131.1
B . NEC 690.
C. OSHA1910.
D. ISA S 5 . 1 - ANSWER-A. ANSI B 131.1
1 ALL THE BEST CHAMP!!
, Page 2 of 138
QUESTION: When marking tubing for cutting, the preferred method is to:
A. Scribe a mark into the tube with a sharp object.
B. Mark the tube with a grease pencil
C. Mark the tube with a felt tip pen - ANSWER-B. Mark the the tube with a grease pencil
QUESTION: An example of a direct measurement indicator is a:
A. Pressure Gauge
B. Bulb thermometer C .Sightglass
D.Flowmeter - ANSWER-A. Pressure Gauge
QUESTION: In loop checks, all of the folowing are performed EXCEPT:
A. Continuity tests
B. Proving
C .Calibrating
D. Tuning - ANSWER-D. Tuning
QUESTION: If 75 volt DC potential is applied to a 25ohm load, the circuit current is:
1 ALL THE BEST CHAMP!!
, Page 3 of 138
A. 0.3 amps
B. 3.0 amps
C. 30 amps
D. 300 milliamps - ANSWER-B. 3.0 amps
QUESTION: A valve has linear-fow characteristics when the:
A. Flow corresponds directly to the valve stem position
B. Differential pressure corresponds directly to the valve stem position
C. Flow is high enough to retract the valve stem
D. Flow does not pass through control loops - ANSWER-B. Differential pressure corresponds
directly to the valve stem position
QUESTION: What is a circuit current if 45VDC is applied to a 250ohm load?
A. 0.18 amp
B. 0.25 amp
C. 0.50 amp
D . 1.8 amp - ANSWER-A. 0.18 amp
1 ALL THE BEST CHAMP!!
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QUESTION: All of the following valves are used to regulate flow EXCEPT:
A. Ball
B. Butterfly
C. Needle
D. Gate - ANSWER-D. Gate
QUESTION: The value of the dynamic variable desired in a process is the:
A. Signal
B. Set point
C. Resolution
D. Specific gravity - ANSWER-B. Set point
When is the BEST time to document each loop check for commissioning?
A. Prior to the start of inspection
B. When updating information on a daily basis
C. At the time each test is complete - ANSWER-C. At the time each test is complete
QUESTION: Teflon paste must not be used on :
1 ALL THE BEST CHAMP!!
