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Control Systems

Control Systems
Find the Laplace transform for sinωt?

 ω/(s²+ω²)
 1/s²
 1/s
 s/(s²+ω²)

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Control Systems
If the bandwidth of the system is very large, the system response is

 independent of bandwidth
None of these
 slower
 faster

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Control Systems
A box which tells the effect of inputs on control sub system is known as

 Decision box.
 Data Box.
 State box.
 Logical box.

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Control Systems
The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is

 4.
  8.
 2.
 6.

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Control Systems
Consider the following statements for phase lead compensation:

 both 1 and 2
 nether 1 nor 2
 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies.
 Phase lead compensation shifts the gain crossover frequency to the right

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Control Systems
A system of constant voltage and constant frequency is called _________________ system.

  infinite.
  feedback.
None of these
  zero.

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