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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?

 3
 2
 1
 0

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Control Systems
Which of the following is/are the example of actuator?

 Pneumatic motor
 Hydraulic motor
 All
 Electric motor

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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
 0.87
 0.707
 0.07

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Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot?

 π/2√3 sec
 2π/√3 sec
 π/4√3 sec
 π/√3 sec

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Control Systems
Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is

 RLC circuit.
 LC circuit.
 RL Circuit.
 RC circuit.

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Control Systems
In force-current analogy, electrical analogous quantity for displacement (x) is

 inductance.
 capacitance.
 flux.
 voltage.

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