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Control Systems

Control Systems
Angle of asymptotes for complimentary root locus is

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

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Control Systems
Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as

 critically damped system.
 undamped system.
 under damped system.
 over damped system.

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Control Systems
What will be the type of the system, if the steady state performance of control system yields a non zero finite value of the velocity error constant?

 type - 0
 type - 1
 type - 3
 type - 2

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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
 10
 4
 5

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Control Systems
The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become

 zero
 unity
 infinite
 0.707

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Control Systems
A control system has open loop transfer function . Break away point is lies between

 -4 and -6.
 0 and -4.
 any of the above.
 0 and 4.

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