CONTROL SYSTEMS QUIZ

None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system

none of these.

always bounded.

tends to zero.

could be unbounded.

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Transient state analysis deals with -------------

both 1 and 2

magnitude of error

nature of response

None of these

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A transfer function has its zero in the right half of the s-plane. The function

is minimum phase

will give stable impulse response

is positive real

is non-minimum phase

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Time taken for the response to rise from zero to 100 % for very first time is called

Delay time.

Peak time.

Rise time.

Settling time.

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Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)?

1

0

0.83

infinite

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Given the transfer function of a system. Which of the following characteristics does it have?

Critical damped

any of the above

Over damped

Under damped

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Which of the following is/are the characteristics of negative feedback control system?

Reduction in gain at the expense of better stability

Low sensitivity to parameter variations

All of these

Rejection of disturbance signals

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A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is

e3t - e2t.

e2t - e3t.

e2t + e3t.

e5t.

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The magnitude condition for root locus is ..................

|G(s)H(s)| = 2

|G(s)H(s)| = ∞

|G(s)H(s)| = 1

|G(s)H(s)| = 0

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Electrical analogous quantity for dash-pot in force-current analogy is

inductance.

capacitance.

conductance.

resistance.

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