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Automatic Control Systems

Automatic Control Systems
Magnetic amplifier is used for

Frequency amplification
Power amplification
Current amplification
Voltage amplification

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

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Automatic Control Systems
In force current analogue, mechanical mobility is analogous to

Conductance G
Admittance Y
Impedance Z
Reactance X

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Automatic Control Systems
A lead compensator

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

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Automatic Control Systems
Robotic manipulator arms mostly use

Pneumatic actuator
Hydraulic actuator
None of these
Electric motor actuator

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Automatic Control Systems
Which control action can never be used alone?

Integral
Both (b) and (c)
Proportional
Derivative

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