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Control Systems

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

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

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

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

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Control Systems
Which of the following is/are represents the lead compensator?

 both 2 and 3
 (s+2)/(s+5)
 (s+5)/(s+6)
 (s+2)/(s+1)

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Control Systems
The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are

 (-1,0)
 (-2,0)
 (1,0)
 (2,0)

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Control Systems
A ramp input applied to an unity feedback system results in 5% steady state error. The type number of the system is...........?

 1
 5
 2
 3

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Control Systems
For type 1 system with parabolic input, the steady state error is

 indeterminate.
 infinite.
 zero.
 finite constant.

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