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Control Systems

Control Systems
Differentiation of parabolic response is a -------------- response?

 step
 ramp
 parabolic
 impulse

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

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

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Control Systems
The initial slope of Bode plot for a transfer function having no poles at the origin is

 -10dB/decade.
 0 dB/decade
 -20dB/decade.
 +10dB/decade.

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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?

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

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Control Systems
In frequency response analysis of second order system, the error at corner frequency is

 -20 log2ξ
 20 log2ξ
 -10 logξ
 10 logξ

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Control Systems
Error at corner frequency ωcf of first order control system is -------

 ±2 db
 ±4 db
 ±3 db
 ±1 db

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