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Control Systems

Control Systems
Name test signals used in time response analysis?

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

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

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

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

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

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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

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

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Control Systems
The open loop transfer function of non unity negative feedback system is , then the number of root locus branches equal to

 0.
 2.
 1.
 3.

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

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

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