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Automatic Control Systems

Automatic Control Systems
Which of the following is used to obtain output position in a position control system?

Strain gauge
Synchro
Thermistor
Load cell

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Automatic Control Systems
A lead compensator

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

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Automatic Control Systems
Magnetic amplifier is used for

Voltage amplification
Current amplification
Power amplification
Frequency amplification

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Automatic Control Systems
In root locus analysis the breakaway and break in points

lie on the real axis
None of these
Either lie on the real axis or occur in complex conjugate pairs
Always occur in complex conjugate pairs

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Automatic Control Systems
In a simple on-off controller with differential gap, the magnitude of differential gap determines

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

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Automatic Control Systems
Which of the following is open loop system?

Aqualing
Wind screen wiper
Respiratory system of animal
System for controlling antirocket missiles

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