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Control Systems

Control Systems
Find the bandwidth of the system, when rise time of the system is give as 1msec?

 500 Hz
 750 Hz
 350 Hz
 1 kHz

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Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is

 3/5
 3/4
 4/5
 3/7

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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?

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

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Control Systems
A controller transfer function is given by . What is its nature and parameter?

 lead compensator, α = 0.2
 lead compensator, α = 0.1
 lag compensator, β = 2
 lag compensator, β = 10

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Control Systems
What is the order of a closed loop control system for a plant with a transfer function equal to G(s) = k/s²(1+Ts) and with unity feedback

 1
 0
 3
 2

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

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

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