NCCER INSTRUMENTATION EXAM - COMPLETE
QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE THIS
YEAR JUST RELEASED
Question 1: 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
Question 2: 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
Question 3: Weight is defined as:
A. The amount of matter in an object
B. The force exerted by a mass due to gravity
C. How much mass a body has
, D. The rate at which a mass is accelerated
Answer:
B. The force exerted by a mass due to gravity
Question 4: Deadband in a switch refers to the:
A. A range of process changes before switch actuation
B. Range of setpoint repeatability
C. Allowable overshoot of a set point
D. Range of process change between actuation point and reset
Answer:
A. A range of process changes before switch actuation
Question 5: The adjustment that allows pressure contacts to reset
is called the:
A. Set point
B. Reset point
C. Deadband
D. Operating range
Answer:
B. Reset point
Question 6: The value of the dynamic variable desired in a process
is the:
A. Signal
B. Setpoint
C. Resolution
D. Specific gravity
Answer:
B . Setpoint
,Question 7: A nuclear measuring device is typically used to
measure:
A. Level
B. Temperature
C. Pressure
D. pH
Answer:
A . Level
Question 8: What does a solenoid valve do?
A. Opens and closes valves
B. Serves as a actuator to open and close pneumatic and hydraulic
valves
C. Transforms volts to millivolts
D. Actuates to open and close terminal blocks
Answer:
B. Serves as a actuator to open and close pneumatic and hydraulic valves
Question 9: What is the psi reading on MOST gauge pressure
indicators at atmospheric pressure ?
A. 100
B. 10
C. Zero
D. Below zero
Answer:
C. Zero
Question 10: Proportional control is also known as:
, A. Derivative control
B. Reset control
C. Gain control
D. On-off control
Answer:
A. Derivative control
Question 11: The documentation required ot loop check and
commission are:
A. P&ID, loop diagrams, and instrument specification sheets
B. P&ID and electrical drawings
C. Electrical drawings and typical installation detail sheets
D. Logic diagrams, loop sheets, and instrument operation manuals
Answer:
A. P&ID, loop diagrams, and instrument specification sheets
Question 12: In an instrument loop, where would wet instrument air
show up first?
A. In the air piping
B. At the dryer
C. In the filter regulator
D. At the valve positioner
Answer:
B . At the dryer
Question 13: Bills of materials are found in:
A. General arrangement drawings
B. Instrument detail drawings
C. Piping orthographics
QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE THIS
YEAR JUST RELEASED
Question 1: 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
Question 2: 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
Question 3: Weight is defined as:
A. The amount of matter in an object
B. The force exerted by a mass due to gravity
C. How much mass a body has
, D. The rate at which a mass is accelerated
Answer:
B. The force exerted by a mass due to gravity
Question 4: Deadband in a switch refers to the:
A. A range of process changes before switch actuation
B. Range of setpoint repeatability
C. Allowable overshoot of a set point
D. Range of process change between actuation point and reset
Answer:
A. A range of process changes before switch actuation
Question 5: The adjustment that allows pressure contacts to reset
is called the:
A. Set point
B. Reset point
C. Deadband
D. Operating range
Answer:
B. Reset point
Question 6: The value of the dynamic variable desired in a process
is the:
A. Signal
B. Setpoint
C. Resolution
D. Specific gravity
Answer:
B . Setpoint
,Question 7: A nuclear measuring device is typically used to
measure:
A. Level
B. Temperature
C. Pressure
D. pH
Answer:
A . Level
Question 8: What does a solenoid valve do?
A. Opens and closes valves
B. Serves as a actuator to open and close pneumatic and hydraulic
valves
C. Transforms volts to millivolts
D. Actuates to open and close terminal blocks
Answer:
B. Serves as a actuator to open and close pneumatic and hydraulic valves
Question 9: What is the psi reading on MOST gauge pressure
indicators at atmospheric pressure ?
A. 100
B. 10
C. Zero
D. Below zero
Answer:
C. Zero
Question 10: Proportional control is also known as:
, A. Derivative control
B. Reset control
C. Gain control
D. On-off control
Answer:
A. Derivative control
Question 11: The documentation required ot loop check and
commission are:
A. P&ID, loop diagrams, and instrument specification sheets
B. P&ID and electrical drawings
C. Electrical drawings and typical installation detail sheets
D. Logic diagrams, loop sheets, and instrument operation manuals
Answer:
A. P&ID, loop diagrams, and instrument specification sheets
Question 12: In an instrument loop, where would wet instrument air
show up first?
A. In the air piping
B. At the dryer
C. In the filter regulator
D. At the valve positioner
Answer:
B . At the dryer
Question 13: Bills of materials are found in:
A. General arrangement drawings
B. Instrument detail drawings
C. Piping orthographics
