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Control Systems

Control Systems
For the polynomial , number of roots which lie in the right half of s-plane is

 3
 2
 1
 4

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

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

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Control Systems
For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ?

 0.087
 0.07
 0.87
 0.707

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Control Systems
Which of the following statement is/are true statements?

 Transient state analysis depends on order of the system
 Type of the system is obtained from open loop transfer function
 The steady state analysis depends on type of the system
All of these

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Control Systems
Electrical analogous element for damper element (force-voltage analogy) in mechanical translation system is

 capacitor
 resistor
 any of the above
 inductor

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Control Systems
Negative feedback in a closed loop control system

 reduces gain.
 reduces sensitivity to parameter variation.
 improves disturbance rejection.
All of these

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