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# Time Domain Analysis – 1 – 7

31. As type of system is increased :

(a) stabilization become more difficult
(b) stabilization becomes very easy
(c) there is no effect on errors
(d) none of these

Explanation
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32. Due to an increase in the forward path gain of a control system, the steady – state error is :

(a) reduced
(b) increased
(c) not effected

Explanation
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33. The settling, time of the second – order linear systems is preferred.

(a) 4 times the time constant of system
(b) 2times the time constant of the system
(c) ¼ times the time constant of the system
(d) none of these

Explanation
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34. If the characteristic equation of a system is s^2+ 2s+ 1=0, the system is :

(a) undamped
(b) overdamped
(c) critically – damped
(d) underdamped

Explanation
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35. For overdamped systems, the damping ratio is :

(a) ξ =∞
(b) ξ=0
(c) ξ=1
(d) ξ=1