Q. Stepper motors find applications in

View solution

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

View solution

Q. In an integral controller

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Bellows converts

View solution

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

View solution

Q. Bode magnitude plot is drawn between

View solution

Q. First column elements of Routh's tabulation are 3, 5, -3/4, 1/2, 2. It means that there

View solution

Q. When a unit step voltage drives a lag network the output

View solution

Q. A system has its two poles on the negative real axis and one pair of poles lies on jω axis. The system is

View solution

Q. In a minimum phase system

View solution

Q. A stepper motor is

View solution

Q. In a two phase ac servomotor rotor resistance is R and rotor reactance is X. The speed curve will be linear if

View solution

Q. From the noise point of view, bandwidth should

View solution

Q. The primary function of lag compensator is to provide sufficient

View solution

Q. The polar plot of a transfer function passes through (-1, 0) point. The gain margin is

View solution