A proportional controller is being used to control the water level in a tank. Initially, the controller input and output signals are both stable at 50 percent of their full range.
If the controller input signal increases to 60 percent, the controller output signal will increase to 90 percent.
What is the gain for this controller?
A. 0.25
B. 0.5
C. 2.0
D. 4.0
Show Answer
Answer: D
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