nccer iNSTRUMENTATION tECHNICIAN mOCK eXAM lATEST 2025
qUESTIONS AND cORRECT vERIFIED aNSWERS/ nccer iNSTRUMENT
tECH eXAM pREP – 230 lATEST qUESTIONS AND aNSWERS
Ohm's Law formula for resistance - CORRECT ANSWERS-R = V / I
Solid line in instrumentation diagrams - CORRECT ANSWERS-Electrical signal
Unit of electrical current - CORRECT ANSWERS-Ampere
Span in instrumentation - CORRECT ANSWERS-The difference between the highest and lowest
measurable values
Device to measure flow rate - CORRECT ANSWERS-Flowmeter
Purpose of grounding system - CORRECT ANSWERS-To provide a path for fault currents
Personal protective equipment example - CORRECT ANSWERS-Safety goggles
Symbol 'Ohm' - CORRECT ANSWERS-Resistance
Current flow in a series circuit - CORRECT ANSWERS-It flows through one path
Primary function of a pressure transmitter - CORRECT ANSWERS-To convert pressure into an
electrical signal
Instrument to measure temperature - CORRECT ANSWERS-Thermometer
Standard unit of frequency - CORRECT ANSWERS-Hertz
, Calibration in instrumentation - CORRECT ANSWERS-The instrument provides accurate
measurements
The instrument - CORRECT ANSWERS-is brand new
Differential pressure measurement device - CORRECT ANSWERS-Orifice plate
Primary function of a control valve - CORRECT ANSWERS-Regulate process variables
Loop checking - CORRECT ANSWERS-Verifying the integrity of the control loop
Common analog signal standard - CORRECT ANSWERS-4-20 mA
Purpose of a positioner on a valve - CORRECT ANSWERS-Adjust valve position
Primary controller in a cascade loop - CORRECT ANSWERS-Provides Setpoint to the secondary
Main function of a PLC - CORRECT ANSWERS-Execute control logic
'Dead time' in process control - CORRECT ANSWERS-Delay between input and output
Purpose of loop calibration - CORRECT ANSWERS-Adjust accuracy
Gain of a controller - CORRECT ANSWERS-Amplification factor
Best time to document each loop check - CORRECT ANSWERS-When test is done
qUESTIONS AND cORRECT vERIFIED aNSWERS/ nccer iNSTRUMENT
tECH eXAM pREP – 230 lATEST qUESTIONS AND aNSWERS
Ohm's Law formula for resistance - CORRECT ANSWERS-R = V / I
Solid line in instrumentation diagrams - CORRECT ANSWERS-Electrical signal
Unit of electrical current - CORRECT ANSWERS-Ampere
Span in instrumentation - CORRECT ANSWERS-The difference between the highest and lowest
measurable values
Device to measure flow rate - CORRECT ANSWERS-Flowmeter
Purpose of grounding system - CORRECT ANSWERS-To provide a path for fault currents
Personal protective equipment example - CORRECT ANSWERS-Safety goggles
Symbol 'Ohm' - CORRECT ANSWERS-Resistance
Current flow in a series circuit - CORRECT ANSWERS-It flows through one path
Primary function of a pressure transmitter - CORRECT ANSWERS-To convert pressure into an
electrical signal
Instrument to measure temperature - CORRECT ANSWERS-Thermometer
Standard unit of frequency - CORRECT ANSWERS-Hertz
, Calibration in instrumentation - CORRECT ANSWERS-The instrument provides accurate
measurements
The instrument - CORRECT ANSWERS-is brand new
Differential pressure measurement device - CORRECT ANSWERS-Orifice plate
Primary function of a control valve - CORRECT ANSWERS-Regulate process variables
Loop checking - CORRECT ANSWERS-Verifying the integrity of the control loop
Common analog signal standard - CORRECT ANSWERS-4-20 mA
Purpose of a positioner on a valve - CORRECT ANSWERS-Adjust valve position
Primary controller in a cascade loop - CORRECT ANSWERS-Provides Setpoint to the secondary
Main function of a PLC - CORRECT ANSWERS-Execute control logic
'Dead time' in process control - CORRECT ANSWERS-Delay between input and output
Purpose of loop calibration - CORRECT ANSWERS-Adjust accuracy
Gain of a controller - CORRECT ANSWERS-Amplification factor
Best time to document each loop check - CORRECT ANSWERS-When test is done
