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Control Systems

Control Systems
The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10?

 5
 2
 infinite
 0

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Control Systems
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is

 1 sec
 25 sec
 5 sec
 ∞ sec

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Control Systems
Find the angles of asymptotes of the open loop transfer function G(s) = k(s + 1)/((s(s+2)(s+4)?

 90°,270°
 0°, 180°
 60°,240°
 90°,180°

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Control Systems
The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is

 5/(s² + 5 + 1)
 1/(s² + 5 + 1)
 1/(s+1)(s+5)
 5/(s+1)(s+5)

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

 Resistance.
 Capacitance.
All of these
 Inductance.

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Control Systems
Which of the following combinations is/are correct electrical analogous elements in force-current analogy?

All of these
 Velocity (v) ----------------- Voltage (V)
 Spring element (K) --------- Inverse inductance (1/L)
 Force (f) --------------------- Current (i)

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