Electrical Engineering MCQs

Page No. 230

Annual depreciation cost is calculated by___________?


asinking fund method


bstraight line method


cboth A. and B.


dnone of the above


View Answer both A. and B.

Approximate estimation of power demand can be made by_____________?


aLoad survey method


bstatistical methods


cmathematical method


dall of the above


View Answer all of the above

Maximum demand on a power plant is_________________?


athe greatest of all “short time interval averaged” demand during a period


b instantaneous maximum value of kVA supplied during a period


cboth A. or B.


dnone of the above



For high value of diversity factor, a power station of given installed capacity will be in a position to supply?


aless number of consumers


bmore number of consumers


c neither A. nor B.


deither A. or B.



_____________can generate power at unpredictable or uncontrolled times?


aSolar power plant


bTidal power plant


cWind power plant


dAny of the above


View Answer Any of the above

Which of the following is not a source of power?


aThermocouple


bPhotovoltaic cell


c Solar cell


dPhotoelectric cell


View Answer Thermocouple

During load shedding:


asystem power factor is changed


bsome loads are switched off


csystem voltage is reduced


d system frequency is reduced Efficiency is the secondary consideration in



Air will not be the working substance in which of the following?


a Open cycle gas turbine


bClosed cycle gas turbine


cDiesel engine


dPetrol engine



Which of the following, in a thermal power plant, is not a fixed cost?


aFuel cost


bInterest on capital


cDepreciation


dInsurance charges


View Answer Fuel cost

In _________ fuel transportation cost is least.


anuclear power plants


bdiesel generating plants


csteam power stations


dNone


View Answer nuclear power plants

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