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Automatic Control Systems

Automatic Control Systems
The relative stability of a system is given by

Both phase and gain margins
Phase margin alone
Either (a) or (b)
Gain margin alone

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Automatic Control Systems
A lead compensator

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

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Automatic Control Systems
The effect of adding poles and zeros can be determined quickly by

Root locus
Bode plot
Nyquist plot
Nichols chart

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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 high
Gain margin is close to 1
Gain margin is close to 1 or phase margin is zero

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Automatic Control Systems
Temperature is analogous to

None of these
Voltage
Charge
Flux

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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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