Test: Automatic Control Systems - 1 - Electrical Engineering (EE) MCQ

Whether a linear system is stable or unstable that it

For the system of the given figure the transfer function =

In the given figure shows pole-zero plot. If steady state gain is 2 the transfer function G(s) is

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

For the system of the given figure, the damping ratio of closed loop poles is

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

For a first order system having transfer function , the unit impulse response is

For the given figure C(s)/R(s)

A stepper motor is

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

In the given figure, the input frequency is such that R = X_C. Then

From the noise point of view, bandwidth should

First column elements of Routh's tabulation are 3, 5, , 2. It means that there

When a unit step voltage drives a lag network the output

For the given figure C(s)/R(s)

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

For the circuit in the given figure,

In the given figure the input frequency is such that R << X_c, then

Bellows converts

A unity feedback system has open loop transfer function The closed loop transfer function is

In the given figure, of potentiometer V₀ = V_i (R₀/R_i) only when

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