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Control Systems

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

 B *x
 B dx/dt
None of these
 B d2x/dt2

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Control Systems
A property of phase lead compensation is that the

 bandwidth of closed loop system is reduced.
 overshoot is increased.
 rise time of closed loop system is reduced.
 gain margin is reduced.

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Control Systems
At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency

 ω = K rad/sec.
 ω = 0 rad/sec.
 ω = K2 rad/sec.
 ω = √K rad/sec.

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Control Systems
In the cauer-2 form of LC network---------is series element and --------is shunt element respectively?

 C and L
 L and L
 C and C
 L and C

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

 conductance.
 resistance.
 capacitance.
 inductance.

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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
 1 rad/s
 0.6 rad/s

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