Electrical Engineering MCQs

Page No. 56

___________From which of the following transfer function can be obtained ?


aSignal flow graph

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bAnalogous table

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c Output-input ratio

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dStandard block system

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View Answer Signal flow graph

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


aRamp input signal

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bSinusoidal input signal

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cUnit impulse input signal

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d Exponentially decaying signal

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_____________is the reference input minus the primary feedback?


aManipulated variable

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b Zero sequence

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cActuating signal

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dPrimary feedback

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View Answer Actuating signal

With feedback __________ increases?


asystem stability

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bsensitivity

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cgain

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deffects of disturbing signals

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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

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bThe system is working with zero stored energy

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cThe system is working with zero reference signal

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dNone of them

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


aInput

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bctuating

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cFeedback

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dReference

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View Answer ctuating

The transfer function is applicable to which of the following ?


aLinear and time-in variant systems

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bLinear and time-variant systems

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c Linear systems

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d None of the above

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


adisturbance

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bcommand

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ccontrol element

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d reference input

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View Answer disturbance

The transient response of a system is mainly due to________________?


a. inertia forces

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b internal forces

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c stored energy

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dfriction

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View Answer stored energy

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


avoltage

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bcurrent

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c capacitance

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d none of the above

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View Answer voltage

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