1w|wP a g e
NCCER REVIEW EXAM|| ACTUAL EXAM ALL QUES
w w w w w w
TIONS AND CORRECT ANSWERS ALREADY GRAD
w w w w w
ED A+|| LATEST AND FULLY COVERED UPDATE WI
w w w w w w w
TH VERIFIED AND WELL ELABORATED SOLUTION
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S|| ASSURED PASS!!!
w w
A technology bypassing conventional I/O by using direct communications between
w w w w w w w w w
smart field devices and associated control processors is:
w w w w w w w w
SCADA
WAN
Peer-to-peer
Fieldbus - ANSWER: Fieldbus w w w
In a test of the accuracy of a pneumatic comparator with a pressure gauge, pressure
w w w w w w w w w w w w w w
wreadings of the test gauge and the gauge being tested are compared at a number of
w w w w w w w w w w w w w w w w
test points. Test points readings are made:
w w w w w w
Only as the pressure is slowly increased
w w w w w w
Only as the pressure is slowly decreased
w w w w w w
In no particular sequence
w w w
As the pressure is both increased and decreased -
w w w w w w w w
ANSWER: As the pressure is both increased and decreased
w w w w w w w w w
Mass flow measurement requires accurate values is:
w w w w w w
Volumetric flow w
Temperature
Pressure
All of the above - ANSWER: All of the above
w w w w w w w w w
,2w|wP a g e
When a sensor is inserted in a thermowell, which of the following could safely imp
w w w w w w w w w w w w w w
rove response to temperature changes?
w w w w
Mercury
Antifreeze
Copper strips w
Magnesium oxide particles - ANSWER: Antifreeze
w w w w w
What type of transducer converts the variable being measured into a voltage gener
w w w w w w w w w w w w
ated by a crystal when it is mechanically stressed?
w w w w w w w w
Reluctive
Piezoelectric (used in DP cells) w w w w
Inductive
Capacitive - ANSWER: Piezoelectric (used in DP cells)
w w w w w w w
A gage pressure of 195 psi is roughly what in psia?
w w w w w w w w w w
151
164
178
210 - ANSWER: 195 + 14.7=210 at sea level
w w w w w w w w
Which comment below does NOT describe a force-balance transmitter?
w w w w w w w w
Is self-balancing
w
Output signal is proportional to process variable signal
w w w w w w w
Operates with a thrust rod
w w w w
Has a force beam that pivots on a fulcrum - ANSWER: Operates with a thrust rod
w w w w w w w w w w w w w w w
,3w|wP a g e
Changing the proportional band of a pneumatic controller changes:
w w w w w w w w
The alignment of the controller
w w w w
The position of the nozzle with respect to the baffle
w w w w w w w w w
The gain w
The set point - ANSWER: The gain
w w w w w w
If a proportional band is set so that 50% of the input gives a full range of output, th
w w w w w w w w w w w w w w w w w w
e proportional gain is:
w w w
0.5
4.0
1.0
2.0 - ANSWER: 2.0
w w w
A power supply component that reduces the ripple in the waveform is a :
w w w w w w w w w w w w w
Transformer
Rectifier
Filter
Regulator - ANSWER: Filter w w w
If water freezes at 32°F, what will it freeze at in degrees C?
w w w w w w w w w w w w
-3.2
-14.7
0.0
25.6 - ANSWER: 0.0
w w w
, 4w|wP a g e
Which of the following provides a warning when low and/or high limits of optimu
w w w w w w w w w w w w w
m range are being approached?
w w w w
Calibrating trim pots w w
Absolute alarm points w w
Variable set points w w
Range adjusters - ANSWER: Absolute alarm points
w w w w w w
A device that converts alternating current to direct current is called a:
w w w w w w w w w w w
Rectifier
Ratio station
w
Differential amplifier w
Comparator - ANSWER: Rectifier w w w
The oil within the variable capacitor of a capacitance-
w w w w w w w w
type differential pressure transmitter is separated from the process by:
w w w w w w w w w
A sensing diaphragm
w w
Capacitor plates w
Isolating diaphragms w
Bellows - ANSWER: A sensing diaphragm
w w w w w
When a dip pipe (bubbler) system is used for tank level measurement, the dip pipe
w w w w w w w w w w w w w w w
is connected to:
w w
The purge gas flow controller
w w w w
The low side of the dP cell
w w w w w w
The high side of the dP cell
w w w w w w
The dP cell output signal line - ANSWER: The purge gas flow controller
w w w w w w w w w w w w
NCCER REVIEW EXAM|| ACTUAL EXAM ALL QUES
w w w w w w
TIONS AND CORRECT ANSWERS ALREADY GRAD
w w w w w
ED A+|| LATEST AND FULLY COVERED UPDATE WI
w w w w w w w
TH VERIFIED AND WELL ELABORATED SOLUTION
w w w w w
S|| ASSURED PASS!!!
w w
A technology bypassing conventional I/O by using direct communications between
w w w w w w w w w
smart field devices and associated control processors is:
w w w w w w w w
SCADA
WAN
Peer-to-peer
Fieldbus - ANSWER: Fieldbus w w w
In a test of the accuracy of a pneumatic comparator with a pressure gauge, pressure
w w w w w w w w w w w w w w
wreadings of the test gauge and the gauge being tested are compared at a number of
w w w w w w w w w w w w w w w w
test points. Test points readings are made:
w w w w w w
Only as the pressure is slowly increased
w w w w w w
Only as the pressure is slowly decreased
w w w w w w
In no particular sequence
w w w
As the pressure is both increased and decreased -
w w w w w w w w
ANSWER: As the pressure is both increased and decreased
w w w w w w w w w
Mass flow measurement requires accurate values is:
w w w w w w
Volumetric flow w
Temperature
Pressure
All of the above - ANSWER: All of the above
w w w w w w w w w
,2w|wP a g e
When a sensor is inserted in a thermowell, which of the following could safely imp
w w w w w w w w w w w w w w
rove response to temperature changes?
w w w w
Mercury
Antifreeze
Copper strips w
Magnesium oxide particles - ANSWER: Antifreeze
w w w w w
What type of transducer converts the variable being measured into a voltage gener
w w w w w w w w w w w w
ated by a crystal when it is mechanically stressed?
w w w w w w w w
Reluctive
Piezoelectric (used in DP cells) w w w w
Inductive
Capacitive - ANSWER: Piezoelectric (used in DP cells)
w w w w w w w
A gage pressure of 195 psi is roughly what in psia?
w w w w w w w w w w
151
164
178
210 - ANSWER: 195 + 14.7=210 at sea level
w w w w w w w w
Which comment below does NOT describe a force-balance transmitter?
w w w w w w w w
Is self-balancing
w
Output signal is proportional to process variable signal
w w w w w w w
Operates with a thrust rod
w w w w
Has a force beam that pivots on a fulcrum - ANSWER: Operates with a thrust rod
w w w w w w w w w w w w w w w
,3w|wP a g e
Changing the proportional band of a pneumatic controller changes:
w w w w w w w w
The alignment of the controller
w w w w
The position of the nozzle with respect to the baffle
w w w w w w w w w
The gain w
The set point - ANSWER: The gain
w w w w w w
If a proportional band is set so that 50% of the input gives a full range of output, th
w w w w w w w w w w w w w w w w w w
e proportional gain is:
w w w
0.5
4.0
1.0
2.0 - ANSWER: 2.0
w w w
A power supply component that reduces the ripple in the waveform is a :
w w w w w w w w w w w w w
Transformer
Rectifier
Filter
Regulator - ANSWER: Filter w w w
If water freezes at 32°F, what will it freeze at in degrees C?
w w w w w w w w w w w w
-3.2
-14.7
0.0
25.6 - ANSWER: 0.0
w w w
, 4w|wP a g e
Which of the following provides a warning when low and/or high limits of optimu
w w w w w w w w w w w w w
m range are being approached?
w w w w
Calibrating trim pots w w
Absolute alarm points w w
Variable set points w w
Range adjusters - ANSWER: Absolute alarm points
w w w w w w
A device that converts alternating current to direct current is called a:
w w w w w w w w w w w
Rectifier
Ratio station
w
Differential amplifier w
Comparator - ANSWER: Rectifier w w w
The oil within the variable capacitor of a capacitance-
w w w w w w w w
type differential pressure transmitter is separated from the process by:
w w w w w w w w w
A sensing diaphragm
w w
Capacitor plates w
Isolating diaphragms w
Bellows - ANSWER: A sensing diaphragm
w w w w w
When a dip pipe (bubbler) system is used for tank level measurement, the dip pipe
w w w w w w w w w w w w w w w
is connected to:
w w
The purge gas flow controller
w w w w
The low side of the dP cell
w w w w w w
The high side of the dP cell
w w w w w w
The dP cell output signal line - ANSWER: The purge gas flow controller
w w w w w w w w w w w w
