CONTROL SYSTEMS QUIZ

In frequency response analysis of second order system, the error at corner frequency is

-20 log2ξ

10 logξ

20 log2ξ

-10 logξ

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YOUR ANSWER : ?

Resonant peak of a marginally stable system is

finite value

any of the above

0

infinite

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Transient state analysis depends on which of the following?

both 1 and 2

type of system

order of system

nether 1 nor 2

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A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as

e-tu(t).

et.

etu(t).

e-t.

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The type number of the control system with G(s) = k(s+2)/(s(s²+2s+3) is

1

2

0

3

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In which of the following controller band width is increased?

proportional plus integral controller

nether 1 nor 2

proportional plus derivative controller

both 1 and 2

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Which of the following statements is/are true?

nether 1 nor 2

Centroid may be a part of root locus

both 1 and 2

Centroid may not be a part of root locus

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If the bandwidth of the system is very large, the system response is

independent of bandwidth

None of these

faster

slower

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Poles and zeros are arranged alternatively on negative real axis, then type of network is/are

LC network.

RC network.

Both 2 and 3.

RL network.

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Which of the following is/are the disadvantages of an open loop control system?

Unreliable.

both 1 and 2.

Inaccurate.

None of these

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YOUR ANSWER : ?

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