1. The density of a liquid affects the displacer's:
length
height
buoyancy: buoyancy
2. What mode MUST the controller be in before any changes are made to the process
variable?
automatic
manual
shut-down
power off: manual
3. Bills of material are found in:
general arrangement drawings P&ID
piping orthographics
instrument detail drawings: general arrangement drawings
4. When bench calibrating a temperature RTD transmitter, the instrument tech- nician
should apply:
hot air pressure
cold air pressure
resistance voltage:
resistance
5. Before working on a de-energized circuit containing a capacitor, what must be done?
,discharge the capacitor
re-energize the circuit
defibrillate the system
remove the lockouts: discharge the capacitor
6. 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: 3 psi and 4 ma
,7. 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: direct airflow that opens or closes a
air-operated valve
8. Viscosity is analyzed in all of the following ways EXCEPT:
the falling all method the
viscositron method the
rotating disc method
the capillary method: the viscositron method
9. The process parameter that is selected for control is called the:
process rate
controlled energy
process setpoint
controlled variable: controlled variable
10. Optimal gain is the MAXIMUM allowable value of gain in which the system is:
stable
oscillating
at its highest amplitude
NOT responding: stable
11. Carbon dioxide is produced commercially:
, by extraction from the atmosphere as a
byproduct of manufacturing by
extraction from ocean water
through chemical bonding: as a byproduct of manufacturing
12. The MOST reliable relay is a/an:
EMR
pneumatic
SSR
LED: SSR