When the system gain is doubled the gain margin becomes? None of these Remains unaffected 2 times 1/2 times TRUE ANSWER : ? YOUR ANSWER : ?
A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'? 3 1 0 2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the correct expression for the transfer function of an electrical RC phase lag compensating network? C/(1+RCS) 1/(1+RCS) RCS/(1+RCS) RC/(1+RCS) TRUE ANSWER : ? YOUR ANSWER : ?
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the final value? 0 3/5 1/4 1 TRUE ANSWER : ? YOUR ANSWER : ?
By using which of the following elements, mechanical translational systems are obtained? spring element All of these mass element dash-pot TRUE ANSWER : ? YOUR ANSWER : ?
Electrical analogous quantity for spring element (K) in force-voltage analogy is 1/C L C R TRUE ANSWER : ? YOUR ANSWER : ?
The type of a control system is obtained from -------------- transfer function? closed loop open loop none of above. both open loop and closed loop TRUE ANSWER : ? YOUR ANSWER : ?
Lowest critical frequency is due to pole and it may be present at the origin or nearer to the origin, then the type of network is Any of the above. RL. LC. RC. TRUE ANSWER : ? YOUR ANSWER : ?
Find the stability for the following transfer function G(s) = 50/s(s+5) ? Marginally stable Stable Unstable Critically stable TRUE ANSWER : ? YOUR ANSWER : ?
The type number of the control system with G(s) = k(s+2)/(s(s²+2s+3) is 1 0 3 2 TRUE ANSWER : ? YOUR ANSWER : ?