A direct-acting proportional controller is being used with a direct-acting transmitter to control the temperature of lube oil exiting a heat exchanger.
The controllers proportional band is 70°F to 120°F.
Which one of the following will be the controller’s output percentage when the measured lube oil temperature is 83°F?
A. 13 percent
B. 26 percent
C. 37 percent
D. 74 percent
Show Answer
Answer: B
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