CONTROL SYSTEMS QUIZ

Angle condition for complimentary root locus or inverse root locus is

± (2q) 360°

± (2q) 180°

± (2q + 1) 180°

± (2q + 1) 360°

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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

e2t + e3t.

e3t - e2t.

e5t.

e2t - e3t.

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

(s+5)/(s+6)

(s+2)/(s+5)

both 2 and 3

(s+2)/(s+1)

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For a unity feedback control system open loop transfer function then velocity error constant is

infinity.

0.

50.

10.

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If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system?

1

0.5

4

2

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By using which of the following elements, mechanical translational systems are obtained?

dash-pot

spring element

mass element

All of these

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Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave.

12 dB

6 dB

18 dB

3 dB

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The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is

s(s²+3s+2)/5

5/s(s²+3s+2)

5/(s²+3s+2)

(s²+3s+2)/5

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

5

2

1

3

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

(s+2)/(s+5)

(s+5)/(s+6)

(s+2)/(s+1)

both 1 and 2

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YOUR ANSWER : ?

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