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Control Systems

Control Systems
Resonant peak of a marginally stable system is

 infinite
 0
 any of the above
 finite value

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Control Systems
The device necessarily used for automatic temperature control in a furnace is

 Thermostat.
 Thermocouple.
 Auto-transformer.
 Any of above.

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Control Systems
A transfer function has its zero in the right half of the s-plane. The function

 will give stable impulse response
 is non-minimum phase
 is minimum phase
 is positive real

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Control Systems
Settling time for 5% tolerance band is -------------

 3T.
 4T.
 2T.
 5T.

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Control Systems
Which of the following is/are the characteristics of negative feedback control system?

 Low sensitivity to parameter variations
 Rejection of disturbance signals
All of these
 Reduction in gain at the expense of better stability

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Control Systems
A proportional plus integral controller

 both 2 and 3
 has high sensitivity
 it increases rise time
 increases the stability of the system

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