GENERATION OF ELECTRICAL ENERGY QUIZ

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

decrease or increase of dryness fraction of exit steam depending upon inlet quality

increase in dryness fraction of exit steam

no change in the quality of exit steam

decrease in dryness fraction of exit steam

TRUE ANSWER : ?
YOUR ANSWER : ?

Thermal efficiency of closed cycle gas turbine plant increases by

Intercooling

Reheating

Regenerator

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The draught produced by steel chimney as compared to that produced by brick chimney for the same height is

Less

More

Same

May be more or less

TRUE ANSWER : ?
YOUR ANSWER : ?

Binary vapor cycles are used to

Increase efficiency of the turbine

Increase the efficiency of the plant

Increase the performance of the condenser

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

In interconnected grid system, more efficient plants are used as

Base load plants

Both peak & base load plant

Peak load plant

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Method which is commonly applied for unloading the coal for small power plant is

belt conveyor

coal accelerators

lift trucks

tower cranes

TRUE ANSWER : ?
YOUR ANSWER : ?

The output of a solar cell is of the order of

10 W

20 W

5 W

1 W

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Kaplan turbine

Pelton turbine

None of these

Francis turbine

TRUE ANSWER : ?
YOUR ANSWER : ?

Example of overfeed type stoker is

spreader

all of these

travelling grate

chain grate

TRUE ANSWER : ?
YOUR ANSWER : ?

The thermal efficiency of a steam power plant is about

69%

28%

75%

80%

TRUE ANSWER : ?
YOUR ANSWER : ?

↑