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Automatic Control Systems

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

Photodiode
Either (a) or (b)
LCD
LED

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Automatic Control Systems
In Bode plots the frequency at which two asymptotes meet is called corner frequency.

False
True

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

Synchro
Thermistor
Strain gauge
Load cell

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Automatic Control Systems
The relative stability of a system is given by

Either (a) or (b)
Gain margin alone
Phase margin alone
Both phase and gain margins

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

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

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