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Automatic Control Systems

Automatic Control Systems
The sensor generally used in incremental optical encoder is

LCD
Photodiode
LED
Either (a) or (b)

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Automatic Control Systems
Robotic manipulator arms mostly use

Electric motor actuator
None of these
Pneumatic actuator
Hydraulic actuator

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Automatic Control Systems
A system is highly oscillatory if

Gain margin is high and phase margin is 180°
Gain margin is close to 1
Gain margin is close to 1 or phase margin is zero
Gain margin is high

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Automatic Control Systems
Which of the following is open loop system?

Respiratory system of animal
System for controlling antirocket missiles
Wind screen wiper
Aqualing

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Automatic Control Systems
Nyquist stability criterion uses open loop frequency response characteristics.

True
False

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Automatic Control Systems
In control systems the output of sensor usually, is

Digital electrical signal
Mechanical signal
Analog or digital electrical signal
Analog electrical signal

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MORE MCQ ON Automatic Control Systems

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