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Control Systems

Control Systems
The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10?

 infinite
 0
 5
 2

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Control Systems
Force balancing equation of a mass element is (where, x = displacement)

 M dx/dt
 M d2x/dt2
 M *x
 any of the above

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Control Systems
The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is

 0.8 rad/s
 2 rad/s
 0.6 rad/s
 1 rad/s

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Control Systems
A unity feed back system has forward transfer function The range of k for the system to be stable is

 0 < k < 39.
 0 < k < 390.
 0 < k < 3900.
None of these

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Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is

 4/5
 3/7
 3/5
 3/4

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Control Systems
In force-current analogy, electrical analogous quantity for displacement (x) is

 flux.
 inductance.
 capacitance.
 voltage.

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