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NCCER INSTRUMENTATION PRACTICE EXAM Questions with Correct Verified Solutions 100-
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NCCER INSTRUMENTATION PRACTICE EXAM Questions with Correct Verified Solutions 100-
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1NCCER
NCCER INSTRUMENTATION PRACTICE
EXAM Questions with Correct Verified
Solutions 100% Guaranteed Pass Latest
Updat 2025 TOP RATED A+
The us of metallic bellows has been most successful in the ----- pressure
range - ANS ✓0.5 to 75 psig
When measuring differential pressure with an instrument that is equipped
with a capacitance pressure sensor, ---- is applied to isolating diaphragm A -
ANS ✓the pressure to be measured
In a diaphragm seal detector, the space between the sealing diaphragm and
the sensor are filled with a suitable liquid whose pressure duplicates ----- -
ANS ✓the pressure of the process side
An i/p transducer converts ---- signals - ANS ✓current to pneumatic
In a chemical area or humid space where pneumatic measuring
instruments are used, a ----- transducer may be found - ANS ✓p/i
The component that receives the input signal in an i/p transducer is first
applied to ---- - ANS ✓coil
The input signal in a p/i transducer is first applied to ----- - ANS ✓bellows
What type of transducer employs electrical resistance variation to sense
strain or other results of force? - ANS ✓metallic strain gauge
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The zero point on a pneumatic transmitter is usually set to 3 psi instead of
0psi to ------- - ANS ✓indicate the presence of a leak
A pneumatic force balance differential pressure transmitter is also referred
to asa ---- - ANS ✓dp cell
The feedback bellows of a pneumatic dp cell is located in the ------ - ANS
✓balancing section
The major difference between an electronic force balance transmitter and a
pneumatic dp cell is the --- - ANS ✓output devices
In automatic control, the error signal is developed and processes through
the----- - ANS ✓PID controller
An i/p transducer converts a ------ signal to a pneumatic signal - ANS
✓electronic
Another term for on-off control is ----- control - ANS ✓discrete
The proportional function of a controller is also known as ----- - ANS ✓gain
The reset function of a controller is also known as----- - ANS ✓integral
A controller that has the functions of proportional, reset and derivative is
often referred to as a---- controller - ANS ✓pid
In a electronic controller with a ---- proportional band setting, a small
movement causes a large unbalance - ANS ✓narrow
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In an electronic controller with proportional and reset control, the reset
control unit sends a signal the ----- until the controller is in balance - ANS
✓unbalanced detector
The ABB automation series 53mc5000a controller incorporates a ----- - ANS
✓programmable microprocessors
Instruments that provide permanent records of change in a process
variable are known as ----- - ANS ✓recorders
Common measuring elements used in the measuring system of mechanical
recorders include ------ and filled thermal systems - ANS ✓bourdon tubes
Electronic recorders that record more than one process variable are called-
--- recorders - ANS ✓multi-pen
Of the following, a ----- is a type of indicator - ANS ✓gauge
----- causes the tube of a c type bourdon tube to attempt to straighten - ANS
✓pressure
Most electronic indicators that use a digital display are-----segment
displays - ANS ✓seven
Switches are normally used to make or break an electrical circuit that is
operating ------ - ANS ✓within the voltage and current rating of the switch
Switch contacts are often coated with a material to------ - ANS ✓prevent
oxidation
The poles of a switch define the number of ----- in a switch - ANS ✓contacts
NCCER
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