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Control Systems

Control Systems
Force balancing equation of a mass element is (where, x = displacement)

 any of the above
 M dx/dt
 M *x
 M d2x/dt2

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Control Systems
A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance?

 10 sec
 4 sec
 2 sec
 5 sec

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

 3
 1
 2
 0

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Control Systems
Find the Laplace transform for sinωt?

 1/s²
 ω/(s²+ω²)
 s/(s²+ω²)
 1/s

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Control Systems
A second order control system has F(jω) = 100/(100 - ω² + 10√2 jω). Find the resonant peak?

 0.5
 1.5
 0.707
 1

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Control Systems
The following transfer function represents a phase-lead compensator?

 (4s+2)/(6s+1)
 1/s
 (s+4)/(s+6)
 (s+4)/(3s+6)

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