Electrical Engineering MCQs

Page No. 56

___________From which of the following transfer function can be obtained ?


aSignal flow graph


bAnalogous table


c Output-input ratio


dStandard block system


View Answer Signal flow graph

______________By which of the following the system response can be tested better ?


aRamp input signal


bSinusoidal input signal


cUnit impulse input signal


d Exponentially decaying signal



_____________is the reference input minus the primary feedback?


aManipulated variable


b Zero sequence


cActuating signal


dPrimary feedback


View Answer Actuating signal

With feedback __________ increases?


asystem stability


bsensitivity


cgain


deffects of disturbing signals


View Answer system stability

In a system zero initial condition means that______________?


a The system is at rest and no energy is stored in any of its components


bThe system is working with zero stored energy


cThe system is working with zero reference signal


dNone of them



signal will become zero when the feedback signal and reference signs are equal?


aInput


bctuating


cFeedback


dReference


View Answer ctuating

The transfer function is applicable to which of the following ?


aLinear and time-in variant systems


bLinear and time-variant systems


c Linear systems


d None of the above



A signal other than the reference input that tends to affect the value of controlled variable is known as_________________?


adisturbance


bcommand


ccontrol element


d reference input


View Answer disturbance

The transient response of a system is mainly due to________________?


a. inertia forces


b internal forces


c stored energy


dfriction


View Answer stored energy

The temperature, under thermal and electrical system analogy, is considered analogous to_______________?


avoltage


bcurrent


c capacitance


d none of the above


View Answer voltage

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