Electrical Engineering MCQs

Page No. 299

Which of the following application requires high starting torque ?


aLathe machine

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bCentrifugal pump

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cLocomotive

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dAir blower

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View Answer Locomotive

The direction of rotation of a D.C. series motor can be changed by___________?


a interchanging supply terminals

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b interchanging field terminals

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ceither of A. and B. above

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dNone of the above

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No-load speed of which of the following motor will be highest ?


aShunt motor

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bSeries motor

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cCumulative compound motor

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dDifferentiate compound motor

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View Answer Series motor

Which of the following power plant has least efficiency_________?


aNuclear power plant

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bHydro power plant

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cSteam power plant

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dDiesel power plant

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View Answer Steam power plant

A steam power stations basically work on the______________?


athermodynamic cycle

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bRankin cycle

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cVapor pressure cycle

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dCarton cycle

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View Answer Rankin cycle

Which of the following Power Plant causes least environmental pollution____________?


a Thermal Power Plant

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bHydro Power Plant

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cNuclear Power Plant

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dDiesel Power Plant

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View Answer Hydro Power Plant

Which of the following power plant usually offer highest maintenance cost___________?


aNuclear power plants

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bHydro-electric power plants

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cThermal power plants

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dDiesel engine power plant

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View Answer Thermal power plants

The overall efficiency of a steam power station is ________ its thermal efficiency.


aless than

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bequal to

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cgreater than

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dnone of the above

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View Answer less than

Which of the following is usually not the generating voltage__________?


a6.6 kV

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b9.9 kV

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c11kV

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d13.2kV

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View Answer 9.9 kV

A gas turbine basically work on


aCarnot cycle

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bRankin cycle

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cBrayton cycle

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dDual cycle

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View Answer Brayton cycle

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