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Control Systems

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

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

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Control Systems
The transfer function of the control system depends on

 nature of the output.
 initial conditions of input and output.
 the system parameters alone.
 nature of the input.

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Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance?

 4 sec
 2 sec
 5 sec
 10 sec

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Control Systems
Poles and zeros are arranged alternatively on negative real axis, then type of network is/are

 RL network.
 RC network.
 LC network.
 Both 2 and 3.

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Control Systems
In signal flow graph input node is node having only------------

 incoming branches.
None of these
 both 1 and 2.
 outgoing branches.

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Control Systems
The system is initially critical damped. If the gain of the system is doubled, then it will exhibit

 over damped characteristics.
 under damped characteristics.
 critical damped characteristics.
 undamped characteristics.

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