CONTROL SYSTEMS QUIZ

Find the order of a system given by

5.

2.

3.

4.

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In signal flow graph output node is node having only------------

incoming branches

outgoing branches

both 1 and 2

None of these

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The angle condition used for checking whether any point lies on root locus or not is...........

± (2q + 1) 180o.

± (2q) 360o.

± (2q + 1) 360o.

± (2q) 180o.

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Consider the following statements for phase lead compensation:

nether 1 nor 2

Phase lead compensation shifts the gain crossover frequency to the right

The maximum phase lag occurs at the arithmetic mean of the two corner frequencies.

both 1 and 2

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If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied?

a < b, p >q

a > b, p < q

a < b, p < q

a > b, p > q

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A function of one or more variables which conveys information about the nature of physical phenomenon is called

interference.

system.

noise.

signal.

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Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as

critically damped system.

under damped system.

over damped system.

undamped system.

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Name test signals used in time response analysis?

Unit step.

Unit ramp.

All of B, C, D.

Impulse.

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Settling time for 5% tolerance band is -------------

2T.

3T.

4T.

5T.

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

(s+2)/(s+5)

(s+2)/(s+1)

(s+5)/(s+6)

both 2 and 3

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