INSTRUMENTATION NCCER TEST STUDY
GUIDE QUESTIONS AND 100% CORRECT
ANSWERS LATEST 2025-2026 EXAM UPDATE
what is a thermowell
A. Temperature measuring device
B. Void space for demanding temperature fluctuations
C. Top side of a temperature transmitter
D. Protective device to house a thermocouple - Answer-d
fhe most reliable relay is a/ an
A. EMR
B. Pneumatic
C. SSR
D. L e d - Answer-c
what is the major cause of death from electrical shock
A. Burns
,B. Heart fibrillation
C. Head trauma
D arc flash - Answer-b
the modulating control, the first step is to compute the air between
control variable and set point. The second step is to produce
A. Out signal
B. Modulating mode
C. Feedback set point
D. Process feedback - Answer-a
the hydrostatic pressure created in a 10 ft tank with 8 ft water level is
A. 3.4 PSI
B. 4.3 PSI
C. 8 PSI
D. 10 psi - Answer-c
a dashpot timer relay is
a. Is well suited for fast on-off Cycles
B. Is a type of pneumatic relay
C. Has no moving parts
D. Requires a long reset time - Answer-b
,an example of a direct measure indicator is a
A. Pressure gauge
B. Bull thermometer
C. Sight glass
D. Flow meter - Answer-a
a photo sensor is a
A. Double throw double pole switch
B. Silicon controlled rectifier
C. Variable resistor
D. Transformer - Answer-b
to create a NOR gate, add an inverter to the output of
A. An a n d gate
B. on OR gate
C. And amplifier
D. A n a n d gate - Answer-b
most pneumatic receivers operate in the range of
A. 1 - 5 PSI
B. 0 - 10 psi
C. 3 - 15 psi
D. 0 - 100 PSI - Answer-c
, cutting Oils are classified as
A. Light colored and transparent
B. Dark and transparent
C. Mineral and lard blends
D. Active and inactive - Answer-d
signal cable Shields should be connected to ground at
A. One point in the signal path
B. Each accessible point in the signal path
C. Each end of the path
D. Each Junction point in the signal path - Answer-a
which of the following must be determined before selecting a pressure-
reducing regulator
A. Capacity required
B. Spring load
C. Weight load
D. Required desiccant - Answer-a
what best determines their required torque for Bolt tensioning
A. Load requirements
B. Wash your type
GUIDE QUESTIONS AND 100% CORRECT
ANSWERS LATEST 2025-2026 EXAM UPDATE
what is a thermowell
A. Temperature measuring device
B. Void space for demanding temperature fluctuations
C. Top side of a temperature transmitter
D. Protective device to house a thermocouple - Answer-d
fhe most reliable relay is a/ an
A. EMR
B. Pneumatic
C. SSR
D. L e d - Answer-c
what is the major cause of death from electrical shock
A. Burns
,B. Heart fibrillation
C. Head trauma
D arc flash - Answer-b
the modulating control, the first step is to compute the air between
control variable and set point. The second step is to produce
A. Out signal
B. Modulating mode
C. Feedback set point
D. Process feedback - Answer-a
the hydrostatic pressure created in a 10 ft tank with 8 ft water level is
A. 3.4 PSI
B. 4.3 PSI
C. 8 PSI
D. 10 psi - Answer-c
a dashpot timer relay is
a. Is well suited for fast on-off Cycles
B. Is a type of pneumatic relay
C. Has no moving parts
D. Requires a long reset time - Answer-b
,an example of a direct measure indicator is a
A. Pressure gauge
B. Bull thermometer
C. Sight glass
D. Flow meter - Answer-a
a photo sensor is a
A. Double throw double pole switch
B. Silicon controlled rectifier
C. Variable resistor
D. Transformer - Answer-b
to create a NOR gate, add an inverter to the output of
A. An a n d gate
B. on OR gate
C. And amplifier
D. A n a n d gate - Answer-b
most pneumatic receivers operate in the range of
A. 1 - 5 PSI
B. 0 - 10 psi
C. 3 - 15 psi
D. 0 - 100 PSI - Answer-c
, cutting Oils are classified as
A. Light colored and transparent
B. Dark and transparent
C. Mineral and lard blends
D. Active and inactive - Answer-d
signal cable Shields should be connected to ground at
A. One point in the signal path
B. Each accessible point in the signal path
C. Each end of the path
D. Each Junction point in the signal path - Answer-a
which of the following must be determined before selecting a pressure-
reducing regulator
A. Capacity required
B. Spring load
C. Weight load
D. Required desiccant - Answer-a
what best determines their required torque for Bolt tensioning
A. Load requirements
B. Wash your type
