Classification of Control Systems MCQ’s

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Classification of Control Systems”.

1. Feedback control systems are referred to as closed loop systems.
a) True
b) False

2. Which principle does the linear system follow?
a) Principle of energy conservation
b) Principle of mass conservation
c) Principle of electromagnetism
d) Principle of superposition

3. What is the algebraic sum of the reference input and feedback?
a) Error Signal
b) Error Detector
c) Controlled system
d) Controlled output

4. ______ control systems have unpredictable & non-repeatable.
a) Static
b) Dynamic
c) Deterministic
d) Stochastic

5. On what difference does the pneumatic system works?
a) Speed
b) Pressure
c) Area
d) Length

6. How many parameters does process control refer to?
a) 1
b) 3
c) 5
d) 7

7. The pressure inside the furnace is measured by _______
a) Gauge
b) Thermometer
c) Manometer
d) Barometer

8. In a thermal system, the temperature of the medium is ______
a) increasing
b) decreasing
c) zero
d) uniform

9. What is the effect of feedback in the overall gain of the system?
a) Increases
b) Decreases
c) Zero
d) No change

10. In a temperature control system, what conversion in signal takes place?
a) Digital to Analog
b) Analog to Digital
c) Error to Digital
d) Error to Analog

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