Page 1 of 216
INSTRUMENTATION NCCER EXAM TEST BANK
LATEST UPDATE THIS YEAR WITH ALL 680
QUESTIONS AND CORRECT SOLUTIONS JUST
RELEASED THIS YEAR
Question: What mode MUST the controller be in before any changes are made to the process
variable?
automatic
manual
shut-down
power off - CORRECT ANSWER✔✔manual
Question: The density of a liquid affects the displacer's:
length
height
buoyancy - CORRECT ANSWER✔✔buoyancy
, Page 2 of 216
Question: Bills of material are found in:
general arrangement drawings
P&ID
piping orthographics
instrument detail drawings - CORRECT ANSWER✔✔general arrangement drawings
Question: When bench calibrating a temperature RTD transmitter, the instrument technician
should apply:
hot air pressure
cold air pressure
resistance
voltage - CORRECT ANSWER✔✔resistance
Question: Before working on a de-energized circuit containing a capacitor, what must be done?
discharge the capacitor
, Page 3 of 216
re-energize the circuit
defibrillate the system
remove the lockouts - CORRECT ANSWER✔✔discharge the capacitor
Question: The MINIMUM value of the measured process range is considered to be:
upper measured value
3 psi and 4 ma
zero input value
span value - CORRECT ANSWER✔✔3 psi and 4 ma
Question: A solenoid valve is often used to
regulate temperature
direct airflow that opens or closes an air operated valve
regulate the amp that is used to open/close control valve
control the voltage that is used to open/close contacts - CORRECT ANSWER✔✔direct airflow
that opens or closes an air-operated valve
, Page 4 of 216
Question: Viscosity is analyzed in all of the following ways EXCEPT:
the falling all method
the viscositron method
the rotating disc method
the capillary method - CORRECT ANSWER✔✔the viscositron method
Question: The process parameter that is selected for control is called the:
process rate
controlled energy
process setpoint
controlled variable - CORRECT ANSWER✔✔controlled variable
Question: Optimal gain is the MAXIMUM allowable value of gain in which the system is:
stable
oscillating
at its highest amplitude
INSTRUMENTATION NCCER EXAM TEST BANK
LATEST UPDATE THIS YEAR WITH ALL 680
QUESTIONS AND CORRECT SOLUTIONS JUST
RELEASED THIS YEAR
Question: What mode MUST the controller be in before any changes are made to the process
variable?
automatic
manual
shut-down
power off - CORRECT ANSWER✔✔manual
Question: The density of a liquid affects the displacer's:
length
height
buoyancy - CORRECT ANSWER✔✔buoyancy
, Page 2 of 216
Question: Bills of material are found in:
general arrangement drawings
P&ID
piping orthographics
instrument detail drawings - CORRECT ANSWER✔✔general arrangement drawings
Question: When bench calibrating a temperature RTD transmitter, the instrument technician
should apply:
hot air pressure
cold air pressure
resistance
voltage - CORRECT ANSWER✔✔resistance
Question: Before working on a de-energized circuit containing a capacitor, what must be done?
discharge the capacitor
, Page 3 of 216
re-energize the circuit
defibrillate the system
remove the lockouts - CORRECT ANSWER✔✔discharge the capacitor
Question: The MINIMUM value of the measured process range is considered to be:
upper measured value
3 psi and 4 ma
zero input value
span value - CORRECT ANSWER✔✔3 psi and 4 ma
Question: A solenoid valve is often used to
regulate temperature
direct airflow that opens or closes an air operated valve
regulate the amp that is used to open/close control valve
control the voltage that is used to open/close contacts - CORRECT ANSWER✔✔direct airflow
that opens or closes an air-operated valve
, Page 4 of 216
Question: Viscosity is analyzed in all of the following ways EXCEPT:
the falling all method
the viscositron method
the rotating disc method
the capillary method - CORRECT ANSWER✔✔the viscositron method
Question: The process parameter that is selected for control is called the:
process rate
controlled energy
process setpoint
controlled variable - CORRECT ANSWER✔✔controlled variable
Question: Optimal gain is the MAXIMUM allowable value of gain in which the system is:
stable
oscillating
at its highest amplitude
