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Automatic Control Systems

Automatic Control Systems
Integral control action

Removes offset
Both (a) and (b)
Neither (a) nor (b)
May lead to oscillatory response

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Automatic Control Systems
Nichol’s chart is symmetric about – 180° axis.

False
True

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Automatic Control Systems
The poles with greater displacement from the real axis correspond to

Stable response
Higher frequencies of oscillations
Unbounded output
Lower frequencies of oscillations

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Automatic Control Systems
Magnetic amplifier is used for

Current amplification
Voltage amplification
Frequency amplification
Power amplification

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

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

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Automatic Control Systems
Lag compensation permits a high gain at low frequencies.

True
False

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