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Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is
1 sec
25 sec
∞ sec
5 sec
1 sec
25 sec
∞ sec
5 sec
Answer
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Related Question
Control Systems
Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as
undamped system .
under damped system.
critically damped system.
over damped system.
undamped system .
under damped system.
critically damped system.
over damped system.
Answer
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Control Systems
If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?
a < b, p >q
a > b, p > q
a > b, p < q
a < b, p < q
a < b, p >q
a > b, p > q
a > b, p < q
a < b, p < q
Answer
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Control Systems
The transfer function of a linear time invariant system is given as G(s) = 10/(s² + 10s + 10). The steady state value of the output of the system for step input applied at time instant t=2 sec will be
infinity
undefined
0
1
infinity
undefined
0
1
Answer
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Control Systems
Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be
c(t).u(t-1)
c(t)u(t)
c(t-1).u(t)
c(t-1).u(t-1)
c(t).u(t-1)
c(t)u(t)
c(t-1).u(t)
c(t-1).u(t-1)
Answer
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Control Systems
The input-output relationship of a linear time invariant continuous time system is given by r(t) = d²c(t)/dt² + 3 dc(t)/dt + 2 c(t) Where r(t) and c(t) are input and output respectively. What is the transfer function of the system equal to?
1/(s² + s + 2)
2/(s² + 3s + 2)
1/(s² + 3s + 2)
2/(s² + s + 2)
1/(s² + s + 2)
2/(s² + 3s + 2)
1/(s² + 3s + 2)
2/(s² + s + 2)
Answer
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