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Control Systems

Control Systems
Advantages of open loop control system is/are

All of these
 simple and economical.
 accurate.
 reliable.

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Control Systems
A function of one or more variables which conveys information about the nature of physical phenomenon is called

 interference.
 system.
 noise.
 signal.

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Control Systems
The position and velocity error coefficient for the transfer function given below are respectively

 50 and infinity.
 50 and 0.
 0 and 0.
 0 and infinity.

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Control Systems
A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is

 1/s(s+1)2
 (s+1)2/s
 s/(s+1)
 s/(s+1)2

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Control Systems
Resonant peak of a marginally stable system is

 finite value
 infinite
 any of the above
 0

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

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

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