Q. The loop transfer function of a feedback system is given below. The number of asymptotes of its root loci are

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Q. Consider the following statements:

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Q. For a closed loop system given below. The imaginary axis intercept of the root loci will be

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Q. The polar plot of

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Q. A FET is a __________ controlled device whereas a bipolar transistor is a __________ controlled device.

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Q. In Bode diagram (log magnitude plot) the factor 1/jω in the transfer function gives a line having slope

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Q. A negative feedback system has G(s) = 1/(s+1) and H(s) = K/s(s+2). The closed loop system is stable for

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Q. Mechanical impedance is the ratio of

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Q. Whether a linear system is stable or unstable that it

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Q. A lag compensator is essentially a

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Q. Stepper motors find applications in

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Q. For type 2 system, the magnitude and phase angle of the term (jω)² in the denominator, at ω = 0, are respectively

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Q. In an integral controller

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Q. The phase margin and damping ratio have no relation.

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Q. For the transport lag G(jω) = e^(-jωT), the magnitude is always equal to

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Q. The log magnitude curve for a constant gain K is a

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Q. If a system is to follow arbitrary inputs accurately the bandwidth should be

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Q. Assertion (A): Potentiometers can not be used as error detectors in position control systems.

Reason (R): The resolution of a potentiometer places an upper limit on its accuracy

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Q. Bellows converts

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Q. Assertion (A): The steady state response, of a stable, linear, time invariant system, to sinusoidal input depends on initial conditions.

Reason (R): Frequency response, in steady state, is obtained by replacing s in the transfer function by jω

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