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INSTRUMENTATION NCCER TEST EXAM WITH
COMPLETE 400 QUESTIONS AND CORRECT AND
SOLUTIONS JUST RELEASED THIS YEAR
1. which of the following describes span what are you doing
A. 0 offset
B. The difference between 3 and 15
C. The midpoint between 3 and 15
D. Range
b
2. in a properly grounded system
A. Voltage can flow the right way
B. Excess voltage and current are rapidly directed to the Earth
C. Resistance to ground is High
D. Grounding electrodes maybe aluminum
b
2. when a pressure switch is used as a low limit, deadband refers to the
A. Increase in PV required to clear the condition
B. Distance from zero at which the switch initially operates
C. Distance from zero at which this which returns to shelf state
D. Decrease in PV required to clear the condition
c
3. pressure is expressed mathematically as
A. Increases as controller signal increases
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B. Decreases when controller signal increases
C. Increases on loss of control signal
D. Remains constant on loss of control signal
b
83. a bubbler is used as feedback in what type of system
A. Vibration
B. Pneumatic
C. Fiber optic
D. Hydraulic
b
32. the pneumatic output of a 3 - 15 psi instrument is at 50%. The actual output in pressure is
A. 3 PSI
B. 6 PSI
C. 9 PSI
D. 15 psi
c
1. the density of a fluid affect the displacers
a. location
b. buoyancy
c. length
d. height
b
2. what mode must the controller be in before any changes are made to the process variable
a. manual
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b. automatic
c. shut down
d. power off
a
3. bills of material are found in
a. General Arrangement drawings
b. instrument detail drawings
c. piping orthographics
d. p&id
a
4. when bench calibrating a temperature RTD transmitter, the the instrument technician
should apply
a. hot air pressure
b cold air pressure
c. resistance
d. voltage
c
5. before working on a d energized circuit containing a capacitor, what must be done
a. discharge the capacitor
b. re energize the circuit.
c. defibrillate the system
d. remove the lock outs
a
6. the minimum value of the measured process range is considered to be
a. upper measured value
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b. zero input value
c. span value
d. 3 PSI and 4 ma
d
7. a solenoid valve is often used to
a. direct air flow that opens or closes an air operated valve.
b. regulate temperature.
c. regulate the amperage that is used to open or closed control value.
D. Control the voltage that is used to open or closed contracts
a
8. viscosity is analyzed in all the following ways except
a. the following Ball Method.
B. The viscositron method
c. the rotating disk method.
D. The capillary method
B
9. the process parameter that is selected for control is called the
a. process rate.
B. Controlled energy.
C. Process set point.
D. Controlled variable
d
10. optimal gain is the maximum allowable value of gain in which the system is.
a. Stable.
B. Oscillating.
4
SUCCESS!
INSTRUMENTATION NCCER TEST EXAM WITH
COMPLETE 400 QUESTIONS AND CORRECT AND
SOLUTIONS JUST RELEASED THIS YEAR
1. which of the following describes span what are you doing
A. 0 offset
B. The difference between 3 and 15
C. The midpoint between 3 and 15
D. Range
b
2. in a properly grounded system
A. Voltage can flow the right way
B. Excess voltage and current are rapidly directed to the Earth
C. Resistance to ground is High
D. Grounding electrodes maybe aluminum
b
2. when a pressure switch is used as a low limit, deadband refers to the
A. Increase in PV required to clear the condition
B. Distance from zero at which the switch initially operates
C. Distance from zero at which this which returns to shelf state
D. Decrease in PV required to clear the condition
c
3. pressure is expressed mathematically as
A. Increases as controller signal increases
1
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B. Decreases when controller signal increases
C. Increases on loss of control signal
D. Remains constant on loss of control signal
b
83. a bubbler is used as feedback in what type of system
A. Vibration
B. Pneumatic
C. Fiber optic
D. Hydraulic
b
32. the pneumatic output of a 3 - 15 psi instrument is at 50%. The actual output in pressure is
A. 3 PSI
B. 6 PSI
C. 9 PSI
D. 15 psi
c
1. the density of a fluid affect the displacers
a. location
b. buoyancy
c. length
d. height
b
2. what mode must the controller be in before any changes are made to the process variable
a. manual
2
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b. automatic
c. shut down
d. power off
a
3. bills of material are found in
a. General Arrangement drawings
b. instrument detail drawings
c. piping orthographics
d. p&id
a
4. when bench calibrating a temperature RTD transmitter, the the instrument technician
should apply
a. hot air pressure
b cold air pressure
c. resistance
d. voltage
c
5. before working on a d energized circuit containing a capacitor, what must be done
a. discharge the capacitor
b. re energize the circuit.
c. defibrillate the system
d. remove the lock outs
a
6. the minimum value of the measured process range is considered to be
a. upper measured value
3
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b. zero input value
c. span value
d. 3 PSI and 4 ma
d
7. a solenoid valve is often used to
a. direct air flow that opens or closes an air operated valve.
b. regulate temperature.
c. regulate the amperage that is used to open or closed control value.
D. Control the voltage that is used to open or closed contracts
a
8. viscosity is analyzed in all the following ways except
a. the following Ball Method.
B. The viscositron method
c. the rotating disk method.
D. The capillary method
B
9. the process parameter that is selected for control is called the
a. process rate.
B. Controlled energy.
C. Process set point.
D. Controlled variable
d
10. optimal gain is the maximum allowable value of gain in which the system is.
a. Stable.
B. Oscillating.
4
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