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Control Systems

Control Systems
The magnitude of a transfer function G(jω)H(jω) at gain cross over frequency is

 infinity
 0
 1
 any of the above

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Control Systems
When the polynomial is Routh Hurwitz,

 none of these.
 the function is not real.
 all zeroes lie in the right half of the s-plane.
 the roots of function have real parts which are to be zero/negative.

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Control Systems
When the system gain is doubled the gain margin becomes?

 1/2 times
 2 times
None of these
 Remains unaffected

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Control Systems
The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is

 1.2 sec.
 0.4 sec.
 2 sec.
 1.6 sec.

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Control Systems
Electrical analogous quantity for dash-pot in force-current analogy is

 resistance.
 conductance.
 inductance.
 capacitance.

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Control Systems
Time taken by the response to reach and stay within a specified error is called

 Peak overshoot.
 Settling time.
 Peak time.
 Raise time.

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MORE MCQ ON Control Systems

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