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Control Systems

Control Systems
Name test signals used in time response analysis?

  Unit step.
  Unit ramp.
  All of B, C, D.
  Impulse.

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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.
None of these
 open loop control system.
 closed loop control system.

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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

 0.6 rad/s
 2 rad/s
 1 rad/s
 0.8 rad/s

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Control Systems
Weighting function is in terms of -----------------

 Laplace transform of the parabolic response
 Laplace transform of the ramp response
 Laplace transform of the step response
 Laplace transform of the impulse response

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Control Systems
In force-current analogy, electrical analogous quantity for displacement (x) is

 inductance.
 voltage.
 flux.
 capacitance.

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Control Systems
The device necessarily used for automatic temperature control in a furnace is

 Auto-transformer.
 Thermocouple.
 Any of above.
 Thermostat.

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