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Automatic Control Systems

Automatic Control Systems
Integral control action

Both (a) and (b)
Removes offset
May lead to oscillatory response
Neither (a) nor (b)

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Automatic Control Systems
In control systems the output of sensor usually, is

Mechanical signal
Digital electrical signal
Analog electrical signal
Analog or digital electrical signal

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Automatic Control Systems
Robotic manipulator arms mostly use

None of these
Pneumatic actuator
Electric motor actuator
Hydraulic actuator

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

Photodiode
LCD
LED
Either (a) or (b)

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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
None of these
To the right
Towards right or left depending on the position of new pole

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Automatic Control Systems
Magnetic amplifier is used for

Voltage amplification
Current amplification
Frequency amplification
Power amplification

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