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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.
3.
0.
4.
2.
3.
0.
4.
Answer
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Related Question
Control Systems
A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is
e5t.
e3t - e2t.
e2t + e3t.
e2t - e3t.
e5t.
e3t - e2t.
e2t + e3t.
e2t - e3t.
Answer
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Control Systems
A box which tells the effect of inputs on control sub system is known as
Decision box.
State box.
Logical box.
Data Box.
Decision box.
State box.
Logical box.
Data Box.
Answer
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Control Systems
The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0?
120°, 180°, 240°
60°, 180°, 300°
0°, 180°, 300°
0°, 120°, 240°
120°, 180°, 240°
60°, 180°, 300°
0°, 180°, 300°
0°, 120°, 240°
Answer
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Control Systems
The initial slope of Bode plot for a transfer function having no poles at the origin is
+10dB/decade.
0 dB/decade
-20dB/decade.
-10dB/decade.
+10dB/decade.
0 dB/decade
-20dB/decade.
-10dB/decade.
Answer
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Control Systems
The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is
(2s+2)/(s+1)²
(2s+1)/s²
(2s+1)/(s+1)²
(2s+2)/s²
(2s+2)/(s+1)²
(2s+1)/s²
(2s+1)/(s+1)²
(2s+2)/s²
Answer
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