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Q 1/25
Score 0
A(n) __________ is a device that shows a value as a number or a position on a marked scale.
30
indicator
Q 2/25
Score 0
A(n) __________ is a device that measures a process variable and then produces a corresponding signal.
30
transmitter
25 questions
Q.
A(n) __________ is a device that shows a value as a number or a position on a marked scale.
1
30 sec
Q.
A(n) __________ is a device that measures a process variable and then produces a corresponding signal.
2
30 sec
Q.
A(n) __________ is a device that compares the measurement to a setpoint and then produces an appropriate output response.
3
30 sec
Q.
A(n) __________ is a device that actually manipulates the process in some way.
4
30 sec
Q.
A ____________ regulator controls the pressure in a vessel by releasing excess pressure from the system.
5
30 sec
Q.
A(n) _____________ switch is the initiating electrical contact device that is actuated by a process variable and is connected into a circuit that notifies the operator of an abnormal condition.
6
30 sec
Q.
The three most common instrument signals used in the processing industry are ________________________.
7
30 sec
Q.
A 4-20 mA to 3-15 psi current to pneumatic (I/P) converter has 10 mA applied to its input. What should its output be in psi?
8
30 sec
Q.
_________ is the act of adjusting the controller's modes to produce the best control.
9
30 sec
Q.
The gain mode in an automatic controller is also known as _________________.
10
30 sec
Q.
The integral mode in an automatic controller is also known as ________________.
11
30 sec
Q.
The derivative mode in an automatic controller is also known as ________________.
12
30 sec
Q.
If a small change in measurement causes the control valve to move too much, then the __________________ is probably too high.
13
30 sec
Q.
The output of a split range controller will normally control __________________.
14
30 sec
Q.
A controller that measures two flow rates and then proportions one to the other is called a __________________________.
15
30 sec
Q.
Which control scheme would be used where the level of a distillation tower is controlled by a flow control loop?
16
30 sec
Q.
An A/D converter is a device that converts ___________________.
17
30 sec
Q.
PLC is an acronym for ____________________________.
18
30 sec
Q.
DCS is an acronym for __________________.
19
30 sec
Q.
Most field transmitters require ______ to operate properly.
20
30 sec
Q.
An UPS is used to _____________________________.
21
30 sec
Q.
In a UPS, the __________ changes AC into DC.
22
30 sec
Q.
In the processing industry, ESD is an acronym for ______________________.
