Engineering :: Energy Conversion

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Solar cells are made of

The disadvantage of using solar evergy for power production is

A.	Requirements of large area for harnessing solar energy	B.	Energy available during day time only
C.	Energy not available during cloudy weather	D.	Initial cost is high
E.	All of the above

The device used to generate power utilising energy of wind is called

Which of the following power plant will give least running cost of the production of electrical power?

A.	Steam power plant	B.	Diesel engine power plant
C.	Gas turbine power plant	D.	Nuclear power plant
E.	All will have nearly same running cost

Which of the following power plant has the highest cost per kW installed?

Watt second is the unit of

1 kilowatt hour is the same as

One BTU is the amount of energy required to raise the temperature of

A.	One gram of water through 1?C	B.	One gram of water through 1?F
C.	One kilogram of water through ?F	D.	One pound of water through 1?C
E.	One pound of water through 1?F

One calorie is the same as

10.

One British thermal unit (BTU) is nearly equal to