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Control Systems
Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is
4
1
16
64
4
1
16
64
Answer
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Related Question
Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance?
2 sec
4 sec
10 sec
5 sec
2 sec
4 sec
10 sec
5 sec
Answer
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Control Systems
The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is
4 sec
100 sec
400 sec
10 sec
4 sec
100 sec
400 sec
10 sec
Answer
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Control Systems
The steady state error due to ramp input for a type two system is equal to
infinite.
non zero number.
constant.
zero.
infinite.
non zero number.
constant.
zero.
Answer
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Control Systems
The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is
1/(s² + 5 + 1)
5/(s² + 5 + 1)
5/(s+1)(s+5)
1/(s+1)(s+5)
1/(s² + 5 + 1)
5/(s² + 5 + 1)
5/(s+1)(s+5)
1/(s+1)(s+5)
Answer
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Control Systems
Number of sign changes in the entries in 1st column of Routh array denotes the no. of
open loop zeroes in RHP.
zeroes of system in RHP.
roots of characteristic polynomial in RHP.
open loop poles in RHP.
open loop zeroes in RHP.
zeroes of system in RHP.
roots of characteristic polynomial in RHP.
open loop poles in RHP.
Answer
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