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Automatic Control Systems

Automatic Control Systems
If poles lie in first quadrant, damping ratio is

More than 1
Zero
1
less than 1

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Automatic Control Systems
Which dc servomotor requires strongest permanent magnet?

Slotted armature
Surface wound with stationary rotor
Either A or B
Surface wound armature

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

LED
LCD
Either (a) or (b)
Photodiode

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

Motor friction and load
Armature resistance
Back emf
Field resistance

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Automatic Control Systems
In force current analogy, displacement x is analogous to

Voltage
Magnetic flux linkage
Electrostatic energy
Charge

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Automatic Control Systems
DC tachogenerator can be used in

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

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MORE MCQ ON Automatic Control Systems

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