GENERATION OF ELECTRICAL ENERGY QUIZ

Feed water

Air

None of these

Steam

Decreases

Increases

Data incomplete

Remains same

Lignite

Anthracite

All of these

Semi-bituminous and bituminous

More than diesel power station

Less than diesel power station

None of these

Equal to diesel power station

Has higher thermal efficiency than the Carnot cycle operating between same pressure limits

Has same thermal efficiency as Carnot cycle operating between same pressure limits

Has lower thermal efficiency than Carnot cycle operating between same pressure limit

May be more or less depending upon the magnitude of p1 and p2

water in pipes surrounded by steam

steam in pipes surrounded by water

None of these

either (A) or (B)

25 to 30%

85 to 90%

40 to 50%

65 to 70%

15 to 20 percent

70 to 80 percent

35 to 45 percent

90 to 95 percent

to increase the steam temperature

None of these

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

to reduce the boiler pressure

4 to 10%

10 to 12 %

13 to 15 %

1 to 5 %