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Control Systems

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

 1
 16
 4
 64

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Control Systems
The type number of the control system with G(s) = k(s+2)/(s(s²+2s+3) is

 3
 1
 0
 2

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Control Systems
If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system?

 1
 0.5
 4
 2

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lead compensator, α = 0.1
 lead compensator, α = 0.2
 lag compensator, β = 10
 lag compensator, β = 2

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Control Systems
Angle of asymptotes for complimentary root locus is

 (2q)*180/P
 (2q)*180/(P-Z)
 (2q+1)*180/(P-Z)
 (2q+1)*180/P

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Control Systems
Which of the following is/are represents the lead compensator?

 (s+2)/(s+5)
 (s+5)/(s+6)
 (s+2)/(s+1)
 both 2 and 3

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