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Automatic Control Systems

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

True
False

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

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

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Automatic Control Systems
The addition of a pole to the open loop transfer function pulls the root locus

To the left and making the system more stable
To the right
Towards right or left depending on the position of new pole
None of these

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Automatic Control Systems
DC tachogenerator can be used in

Speed control system
Neither A nor B
Both A and B
Position control system

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Automatic Control Systems
Magnetic amplifier is used for

Current amplification
Power amplification
Frequency amplification
Voltage amplification

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Automatic Control Systems
M circles are symmetrical with respect to

Real and imaginary axis
M = 1 straight line and real axis
M = 1 straight line
M = 1 straight line and imaginary axis

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