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Control Systems

Control Systems
The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is

 1/s(s+1)
 1/(s+1)
 1/s
 s/(s+1)

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Control Systems
The transfer function of the control system depends on

 the system parameters alone.
 initial conditions of input and output.
 nature of the output.
 nature of the input.

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Control Systems
The magnitude condition for root locus is ..................

 |G(s)H(s)| = 0
 |G(s)H(s)| = ∞
 |G(s)H(s)| = 1
 |G(s)H(s)| = 2

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Control Systems
Number of roots in left hand half of s plane if characteristic equation is s3 - 4s2 + s + 6 = 0 ?

 2.
 1.
 3.
 0.

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Control Systems
Transient state analysis deals with -------------

None of these
 magnitude of error
 both 1 and 2
 nature of response

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

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

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