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Control Systems

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

None of these
 B dx/dt
 B *x
 B d2x/dt2

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Control Systems
The low frequency and high frequency asymptotes of Bode magnitude plot are respectively -60dB/decade and -40dB/decade. What is the type of the system?

 TYPE I
 TYPE II
 TYPE 0
 TYPE III

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Control Systems
Transient state analysis depends on which of the following?

 type of system
 both 1 and 2
 nether 1 nor 2
 order of system

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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'?

 3
 2
 0
 1

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Control Systems
The poles of the second order system are at -3 ± j4. The damping ratio of the system is

 3/7
 3/5
 3/4
 4/5

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Control Systems
When compared to a 1st order LPF, a 2nd order LPF has

 higher voltage gain.
 faster drop in filter response.
 lower voltage gain.
 higher cut off frequency.

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