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Control Systems

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?

 0.5
 1
 2
 4

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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

 undefined
 1
 infinity
 0

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Control Systems
Type and order of transfer function G (s) = K / {s(s + 2)}

 1, 2.
 0, 2.
 2, 1.
 1, 1.

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Control Systems
A system is stable for (where GM = Gain Margin and PM = Phase Margin):

 GM and PM both -ve.
 GM and PM both +ve.
 PM - ve.
 GM -ve.

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Control Systems
By using which of the following elements, mechanical translational systems are obtained?

 spring element
All of these
 dash-pot
 mass element

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Control Systems
Angle of asymptotes for complimentary root locus is

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

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