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Control Systems

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

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

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Control Systems
The impulse response of the system described by the differential equation will be

 e-3t u(t).
 e6t.
 (1/3) × (1-e-3t).
 1/3.

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Control Systems
The open loop transfer function of a unity feedback control system is G(s) = 1/((s(s+0.1s)(s+1)). The value of damping factor for which the resonant peek is equal to 1.4 is

 0.263
 0.707
 0.386
 0.953

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Control Systems
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?

  2.5 Volt.
  1.0 Volt.
 1.5 Volt.
 2.0 Volt.

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Control Systems
The output of the system has an effect upon the input quantity, then the system is a

 either 1 or 2.
 open loop control system.
None of these
 closed loop control system.

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Control Systems
The Laplace transformation of f(t) is F(S) given the final value of f(t) is

 Infinite.
 None of them.
 Zero.
 One.

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