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Control Systems

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

 1
 2
 0
 3

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Control Systems
Which of the following is the analogous quantity for mass element in force-voltage analogy?

All of these
 Resistance.
 Inductance.
 Capacitance.

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Control Systems
The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are

 (-1,0)
 (2,0)
 (-2,0)
 (1,0)

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Control Systems
A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'?

 1
 3
 2
 0

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Control Systems
Angle condition for complimentary root locus or inverse root locus is

 ± (2q) 180°
 ± (2q + 1) 180°
 ± (2q + 1) 360°
 ± (2q) 360°

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Control Systems
With regard to filtering property, the lead compensator is

 high pass filter
 bandpass filter
 low pass filter
 band reject filter

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