Electrical Engineering MCQs

Page No. 54

The type 2 system has __________ at the origin?


ano net pole


bnet pole


csimple pole


dtwo poles


View Answer two poles

Static error coefficients are used as a measure of the effectiveness of closed loop systems for specified ___________ input signal?


aacceleration


bvelocity


cposition


dall of the above


View Answer all of the above

Spring constant in force-voltage analogy is analogous to_____________?


acapacitance


breciprocal of capacitance


ccurrent


dresistance



The frequency and time domain are related through which of the following ?


a Laplace Transform and Fourier Integral


b Laplace Transform


c Fourier Integral


dEither B. or C.



The type 1 system has _________ at the origin?


ano pole


bnet pole


csimple pole


dtwo poles


View Answer simple pole

A conditionally stable system exhibits poor stability at______________?


alow frequencies


b reduced values of open loop gain


cincreased values of open loop gain


dnone of the above



An increase in gain, in most systems, leads to_____________?


asmaller damping ratio


b larger damping ratio


c constant damping ratio


dnone of the above


View Answer smaller damping ratio

In a system low friction co-efficient facilitates___________?


areduced velocity lag error


b increased velocity lag error


cincreased speed of response


d reduced time constant of the system



In order to increase the damping of a badly underdamped system which of following compensators may be used ?


aPhase-lead


b Phase-lag


cBoth A. and B.


dNone of the above


View Answer Phase-lead

Which of the following can be measured by the use of a tachogenerator ?


aAcceleration


bSpeed


c Speed and acceleration


dDisplacement


View Answer Speed

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