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Control Systems
In signal flow graph input node is node having only------------
both 1 and 2.
None of these
outgoing branches.
incoming branches.
both 1 and 2.
None of these
outgoing branches.
incoming branches.
Answer
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Related Question
Control Systems
The position and velocity error coefficient for the transfer function given below are respectively
0 and infinity.
0 and 0.
50 and infinity.
50 and 0.
0 and infinity.
0 and 0.
50 and infinity.
50 and 0.
Answer
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Control Systems
A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by
1∠0°
0.5∠10°
2∠90°
0.5∠0°
1∠0°
0.5∠10°
2∠90°
0.5∠0°
Answer
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Control Systems
Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)?
e-t cost*u(t)
e-t tant*u(t)
e-t sint*u(t)
e-t cott*u(t)
e-t cost*u(t)
e-t tant*u(t)
e-t sint*u(t)
e-t cott*u(t)
Answer
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Control Systems
A system of constant voltage and constant frequency is called _________________ system.
zero.
feedback.
None of these
infinite.
zero.
feedback.
None of these
infinite.
Answer
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Control Systems
The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are
(-2,0)
(1,0)
(-1,0)
(2,0)
(-2,0)
(1,0)
(-1,0)
(2,0)
Answer
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