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Automatic Control Systems

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

Nyquist plot
Root locus
Nichols chart
Bode plot

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

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

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Automatic Control Systems
If the poles lie in second quadrant, damping ratio is

1
less than 1
zero
more than 1

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Automatic Control Systems
A lead compensator

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

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Automatic Control Systems
In a simple on-off controller with differential gap, the magnitude of differential gap determines

The life of controller
Neither (a) nor (b)
Both (a) and (b)
The level of accuracy

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Automatic Control Systems
The permanent magnet field system of brushless dc servo- motor is generally on

Either (a) or (b)
Partly on stator and partly on rotor
Stator
Rotor

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MORE MCQ ON Automatic Control Systems

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