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Control Systems

Control Systems
The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is

 4.
 3.
 0.
 2.

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Control Systems
Find the type of the system given by

 2.
 4.
 3.
 1.

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Control Systems
Find the bandwidth of the system, when rise time of the system is give as 1msec?

 750 Hz
 350 Hz
 1 kHz
 500 Hz

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Control Systems
For the polynomial , find the number of roots which lie on the right half of s-plane?

 2
 1
 0
 4

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Control Systems
When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is

 1.386.
 2.000.
 0.693.
 0.500.

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Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance?

 5 sec
 2 sec
 10 sec
 4 sec

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