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Automatic Control Systems

Automatic Control Systems
The distance of poles from origin depends on

Damping ratio
Both A and B
Uqndamped natural frequency
Neither A nor B

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

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

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Automatic Control Systems
Transport lag usually exists in

Thermal, hydraulic and pneumatic systems
Hydraulic systems and thermal systems
Thermal systems
Pneumatic systems

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Automatic Control Systems
Nichols chart consists of

Constant phase angle loci
Constant magnitude loci
None of these
Magnitude and phase angle loci in log-magnitude versus phase diagram

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

True
False

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Automatic Control Systems
The sensor generally used in incremental optical encoder is

Either (a) or (b)
LED
Photodiode
LCD

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