Electrical Engineering MCQs

Page No. 301

Which of the following power plant has highest Depreciation charges?


a Thermal plant


bDiesel plant


cHydroelectric plant


dAll have same


View Answer Thermal plant

Which of the following power plant has least fuel transportation______________?


anuclear power plants


bdiesel generating plants


cthermal power plants


dsteam power stations


View Answer nuclear power plants

Annual operating expenditure of a power plant consists of_________?


a fixed charges


bsemi-fixed charges


crunning charges


dall of the above


View Answer all of the above

Which of the following load is responsible for lower power factor of supply system__________?


ainduction motors


bresistive loads


csynchronous Motors


dall of the above


View Answer induction motors

Load factor of a power station is defined as____________?


amaximum demand/average load


baverage load x maximum demand


caverage load/maximum demand


d none of the above



One kilowatt hour is equal to_________?


a532 k cal.


b735 k cal.


c746 k cal.


d860 k cal.


View Answer 860 k cal.

If the load factor of a power station is high then its cost of generation will be_______?


a High.


bLow.


cRemain same.


dDepend upon plant type.



At low value of power factor, the cost of generation of a power station will be____________?


ahigh


blow


c remain same


dnone of the above


View Answer high

Compounding of steam turbine is done for_______________?


areducing the work done


bincreasing the rotor speed


c reducing the rotor speed


dbalancing the turbine



The value of the reheat factor is of the order of_____________?


a0.8 to 1.0


b1.0 to 1.05


c1.1 to 1.5


d above 1.5


View Answer 1.1 to 1.5

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