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Control Systems

Control Systems
Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is

 64
 4
 16
 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
 1 kHz
 350 Hz
 500 Hz

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Control Systems
Which of the following controller has sluggish response?

 derivative controller
 proportional controller
 integral controller
 both 2 and 3

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Control Systems
The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is

 (2s+2)/s²
 (2s+1)/(s+1)²
 (2s+2)/(s+1)²
 (2s+1)/s²

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Control Systems
The transfer function for tachometer E(S)/θ(S) is

 KS
 KS2
 K/S
 K

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Control Systems
Time taken for the response to rise from zero to 100 % for very first time is called

 Peak time.
 Delay time.
 Settling time.
 Rise time.

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