GENERATION OF ELECTRICAL ENERGY QUIZ

increase or decrease depending upon the exit quality of steam

decrease in exit velocity from the nozzle

no change in exit velocity from the nozzle

increase in exit velocity from the nozzle

None of these

Reservoir

Tailrace

Turbine

Electrical energy into mechanical energy

None of these

Sound energy into electrical energy

Mechanical energy into electrical energy

Impulse-reaction turbines

Impulse turbine

None of these

Reaction turbine

15 to 20 percent

90 to 95 percent

70 to 80 percent

35 to 45 percent

Increase efficiency of the turbine

None of these

Increase the performance of the condenser

Increase the efficiency of the plant

Very cheap

None of these

Very costly

Same expensive as base load

coal accelerators

tower cranes

lift trucks

belt conveyor

40 to 50%

65 to 70%

25 to 30%

85 to 90%

Mev

Curie

MW

KW