Instrumentation NCCER Test Study Guide Questions And
Answers Latest Update
Terms in this set (270)
1. the density of a fluid affect the b
displacers
a. location
b. buoyancy
c. length
d. height
2. what mode must the controller a
be in before any changes are
made to the process variable
a. manual
b. automatic
c. shut down
d. power off
3. bills of material are found in a
a. General Arrangement drawings
b. instrument detail drawings
c. piping orthographics
d. p&id
,4. when bench calibrating a c
temperature RTD transmitter, the
the instrument technician should
apply
a. hot air pressure
b cold air pressure
c. resistance
d. voltage
5. before working on a d a
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
6. the minimum value of the d
measured process range is
considered to be
a. upper measured value
b. zero input value
c. span value
d. 3 PSI and 4 ma
7. a solenoid valve is often used to a
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
8. viscosity is analyzed in all the B
following ways except
a. the following Ball Method.
B. The viscositron method
c. the rotating disk method.
D. The capillary method
9. the process parameter that is d
selected for control is called the
a. process rate.
B. Controlled energy.
C. Process set point.
D. Controlled variable
,10. optimal gain is the maximum a
allowable value of gain in which
the system is.
a. Stable.
B. Oscillating.
C. At its highest amplitude
D. Not responding
62. multiple instruments with in a d
loop share a common
a. Loop prefix
B. Loop suffix
C. Installation detail
D. Loop number
11. carbon dioxide is produced b
commercially
A. By extraction from the
atmosphere
B. As a byproduct of
manufacturing
c. By extraction from ocean water
D. Through chemical bonding
63. what is a thermowell d
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
12. fhe most reliable relay is a/ an c
A. EMR
B. Pneumatic
C. SSR
D. L e d
64. what is the major cause of b
death from electrical shock
A. Burns
B. Heart fibrillation
C. Head trauma
D arc flash
13. the modulating control, the first a
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
, 65. the hydrostatic pressure c
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
14. a dashpot timer relay is b
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
66. an example of a direct a
measure indicator is a
A. Pressure gauge
B. Bull thermometer
C. Sight glass
D. Flow meter
15. a photo sensor is a b
A. Double throw double pole
switch
B. Silicon controlled rectifier
C. Variable resistor
D. Transformer
67. to create a NOR gate, add an b
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
16. most pneumatic receivers c
operate in the range of
A. 1 - 5 PSI
B. 0 - 10 psi
C. 3 - 15 psi
D. 0 - 100 PSI
68. cutting Oils are classified as d
A. Light colored and transparent
B. Dark and transparent
C. Mineral and lard blends
D. Active and inactive
Answers Latest Update
Terms in this set (270)
1. the density of a fluid affect the b
displacers
a. location
b. buoyancy
c. length
d. height
2. what mode must the controller a
be in before any changes are
made to the process variable
a. manual
b. automatic
c. shut down
d. power off
3. bills of material are found in a
a. General Arrangement drawings
b. instrument detail drawings
c. piping orthographics
d. p&id
,4. when bench calibrating a c
temperature RTD transmitter, the
the instrument technician should
apply
a. hot air pressure
b cold air pressure
c. resistance
d. voltage
5. before working on a d a
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
6. the minimum value of the d
measured process range is
considered to be
a. upper measured value
b. zero input value
c. span value
d. 3 PSI and 4 ma
7. a solenoid valve is often used to a
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
8. viscosity is analyzed in all the B
following ways except
a. the following Ball Method.
B. The viscositron method
c. the rotating disk method.
D. The capillary method
9. the process parameter that is d
selected for control is called the
a. process rate.
B. Controlled energy.
C. Process set point.
D. Controlled variable
,10. optimal gain is the maximum a
allowable value of gain in which
the system is.
a. Stable.
B. Oscillating.
C. At its highest amplitude
D. Not responding
62. multiple instruments with in a d
loop share a common
a. Loop prefix
B. Loop suffix
C. Installation detail
D. Loop number
11. carbon dioxide is produced b
commercially
A. By extraction from the
atmosphere
B. As a byproduct of
manufacturing
c. By extraction from ocean water
D. Through chemical bonding
63. what is a thermowell d
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
12. fhe most reliable relay is a/ an c
A. EMR
B. Pneumatic
C. SSR
D. L e d
64. what is the major cause of b
death from electrical shock
A. Burns
B. Heart fibrillation
C. Head trauma
D arc flash
13. the modulating control, the first a
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
, 65. the hydrostatic pressure c
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
14. a dashpot timer relay is b
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
66. an example of a direct a
measure indicator is a
A. Pressure gauge
B. Bull thermometer
C. Sight glass
D. Flow meter
15. a photo sensor is a b
A. Double throw double pole
switch
B. Silicon controlled rectifier
C. Variable resistor
D. Transformer
67. to create a NOR gate, add an b
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
16. most pneumatic receivers c
operate in the range of
A. 1 - 5 PSI
B. 0 - 10 psi
C. 3 - 15 psi
D. 0 - 100 PSI
68. cutting Oils are classified as d
A. Light colored and transparent
B. Dark and transparent
C. Mineral and lard blends
D. Active and inactive
