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Automatic Control Systems

Automatic Control Systems
In Bode plots the frequency at which two asymptotes meet is called corner frequency.

False
True

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Automatic Control Systems
For type 1 system the velocity lag error is

Inversely proportional to bandwidth of system
Directly proportional to gain constant
Independent of gain constant
Inversely proportional to gain constant

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

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

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Automatic Control Systems
For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.

True
False

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Automatic Control Systems
Magnetic amplifier is used for

Current amplification
Frequency amplification
Voltage amplification
Power amplification

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Automatic Control Systems
A lead compensator

Speeds up the transient response
Increases the stability margin and speeds up the transient-response.
Increases the stability margin
None of these

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