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CONTROL SYSTEMS

Control Systems
The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be

 0.16.
 0.49.
 0.35.
 0.25.

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Control Systems
The unit step error coefficient of a system with unity feedback is

 1/6.
 0.
 infinity.
 1.

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Control Systems
The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to

 e-2tu(t).
 (0.5)e-2tu(t).
 2e-tu(t).
 e-tu(t).

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Control Systems
When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is

 0.693.
 2.000.
 0.500.
 1.386.

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Control Systems
The transfer function of a system is 10/(1 + S) when operated as a unity feedback system, the steady state error to a unit step input will be

 10.
 ¾.
 Zero.
 1/11.

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