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Control Systems

Control Systems
Advantages of open loop control system is/are

 reliable.
 accurate.
 simple and economical.
All of these

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

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

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Control Systems
Consider the function F(s) = ω/(s²+ω²). Where F(s) = Laplace transform of f(t). The final value of f(t) is equal to

 a value between -1 and +1
 finite constant
 zero
 infinite

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Control Systems
Accurate and reliable output is possible with which of the following system?

 Open loop control system
None of these
 Both 1 and 2
 Closed loop control system

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Control Systems
If the bandwidth of the system is very large, the system response is

 faster
None of these
 slower
 independent of bandwidth

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