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The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at
-2+j,-2-j
-2,-2
-2,-1
-2,2
-2+j,-2-j
-2,-2
-2,-1
-2,2
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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
2.
0.
4.
3.
2.
0.
4.
3.
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Control Systems
Time taken by the response to reach and stay within a specified error is called
Raise time.
Peak overshoot.
Peak time.
Settling time.
Raise time.
Peak overshoot.
Peak time.
Settling time.
Answer
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Control Systems
With regard to filtering property, the lead compensator is
low pass filter
band reject filter
high pass filter
bandpass filter
low pass filter
band reject filter
high pass filter
bandpass filter
Answer
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Control Systems
Name test signals used in time response analysis?
Unit ramp.
All of B, C, D.
Unit step.
Impulse.
Unit ramp.
All of B, C, D.
Unit step.
Impulse.
Answer
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Control Systems
At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency
ω = √K rad/sec.
ω = K rad/sec.
ω = 0 rad/sec.
ω = K2 rad/sec.
ω = √K rad/sec.
ω = K rad/sec.
ω = 0 rad/sec.
ω = K2 rad/sec.
Answer
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