INSTRUMENTATION NCCER TEST
STUDY GUIDE
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
QUESTIONS AND ANSWERS
QUESTION ANSWER
1. the density of a fluid affect the b
displacers
a. location
b. buoyancy
c. length
d. height
2. what mode must the controller be in a
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 energized a
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 measured d
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 loop d
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 death b
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
STUDY GUIDE
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
QUESTIONS AND ANSWERS
QUESTION ANSWER
1. the density of a fluid affect the b
displacers
a. location
b. buoyancy
c. length
d. height
2. what mode must the controller be in a
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 energized a
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 measured d
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 loop d
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 death b
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
