CONTROL SYSTEMS QUIZ

Find the corner frequency for the following transfer function? G(s) = 1/(s+2)

2 rad/s

4 rad/s

1/4 rad/s

1/2 rad/s

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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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The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes?

60°

360°

120°

180°

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Sparking between the contacts can be reduced by inserting

a reactor in the line.

a capacitor in parallel with the contacts.

a resistor in the line.

a capacitor in series with the contacts.

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

Rise time.

Delay time.

Peak time.

Settling time.

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The value of 'a' in to give phase margin = 45o will be

0.9.

1.18.

0.707.

1.414.

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What is the full form of SPICE ?

None of these.

Simulated program with integrated circuit analysis.

Sequential program with integrated circuit analysis.

Stimulated program with integrated circuit arrangement.

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Force balancing equation of a mass element is (where, x = displacement)

M dx/dt

M *x

M d2x/dt2

any of the above

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Find the Laplace transform for sinωt?

s/(s²+ω²)

1/s²

ω/(s²+ω²)

1/s

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Angle of asymptotes for complimentary root locus is

(2q)*180/(P-Z)

(2q+1)*180/P

(2q+1)*180/(P-Z)

(2q)*180/P

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