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Control Systems

Control Systems
Force balancing equation for elastic element (K) is (where, x = displacement)

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

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Control Systems
The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is

 400 sec
 10 sec
 100 sec
 4 sec

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Control Systems
For a unity feedback control system open loop transfer function then acceleration error constant is

 50.
 0.
 infinity.
 20.

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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

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

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Control Systems
If a circuit consists of two mass elements, two spring elements and four friction elements. Find the order of transfer function?

 2
 4
 6
 12

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Control Systems
Find the type of the system given by

 2.
 3.
 4.
 1.

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