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Basic Control Actions and Controller Characteristics – 1 – 1

1. A controller, essentially is a :

(a) Sensor
(b) Clipper
(c) Comparator
(d) Amplifier

Answer
Answer : (c)

Explanation
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2. Which of the following is the input to a controller ?

(a) Servo signal
(b) Desired variable value
(c) Error signal
(d) Senseed signal

Answer
Answer : (c)

Explanation
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3. The on-off controller is a ……………. system.

(a) digital
(b) linear
(c) non-linear
(d) discontinuous

Answer
Answer : (c)

Explanation
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