GENERATION OF ELECTRICAL ENERGY QUIZ

The effect of considering friction losses in steam nozzle for the same pressure ratio leads to

no change in exit velocity from the nozzle

increase or decrease depending upon the exit quality of steam

increase in exit velocity from the nozzle

decrease in exit velocity from the nozzle

TRUE ANSWER : ?
YOUR ANSWER : ?

1 kWh=______kcal

520

860

610

746

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In case of ____ fuel transportation is the major problem.

Thermal power plant

Diesel power station

Hydroelectric plant

Nuclear power plant

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For low head and large discharge, the hydraulic turbine used is

None of these

Kaplan turbine

Francis turbine

Pelton turbine

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If the load factor of a power station increases, the cost of per unit generation will

Data incomplete

Increases

Remains same

Decreases

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Blowing down of boiler water is the process

to control the solid concentration in the boiler water by removing some of the concentrated saline water

to increase the steam temperature

None of these

to reduce the boiler pressure

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In an interconnected grid system, the diversity factor of the whole system

Increases

Remains same

None of these

Decreases

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Francis turbine is usually used for

High heads

Medium heads

Any of these

Low heads

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The cheapest plan in operations and Maintenance

Nuclear power plant

Hydroelectric plant

Steam power plant

Diesel power plant

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The output of a solar cell is of the order of

1 W

20 W

10 W

5 W

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