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Control Systems
By using which of the following elements, mechanical translational systems are obtained?
mass element
dash-pot
spring element
All of these
mass element
dash-pot
spring element
All of these
Answer
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Related Question
Control Systems
Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)?
0
1
0.83
infinite
0
1
0.83
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
(1,0)
(2,0)
(-2,0)
(-1,0)
(1,0)
(2,0)
(-2,0)
(-1,0)
Answer
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Control Systems
Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network?
RCS/(1+RCS)
1/(1+RCS)
C/(1+RCS)
RC/(1+RCS)
RCS/(1+RCS)
1/(1+RCS)
C/(1+RCS)
RC/(1+RCS)
Answer
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Control Systems
what is the Laplace transform of a function δ(t-2)?
0
2s
2
e-2s
0
2s
2
e-2s
Answer
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Control Systems
A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is
6.5
4
10
5
6.5
4
10
5
Answer
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