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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
Lag compensation permits a high gain at low frequencies.

False
True

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Automatic Control Systems
In the field controlled motor the entire damping comes from

Armature resistance
Motor friction and load
Field resistance
Back emf

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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
DC tachogenerator can be used in

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

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Automatic Control Systems
Robotic manipulator arms mostly use

None of these
Hydraulic actuator
Pneumatic actuator
Electric motor actuator

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