GENERATION OF ELECTRICAL ENERGY QUIZ

Thermal efficiency of closed cycle gas turbine plant increases by

Intercooling

All of these

Regenerator

Reheating

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacity of the power plant is generally made _______ more than the maximum demand to meet the future load requirements.

15% to 20%

55% to 60%

90% to 95%

60% to 70%

TRUE ANSWER : ?
YOUR ANSWER : ?

Pelton turbines are mostly

Inclined

None of these

Horizontal

Vertical

TRUE ANSWER : ?
YOUR ANSWER : ?

In thermal power plant, economiser are used to heat

Steam

Feed water

None of these

Air

TRUE ANSWER : ?
YOUR ANSWER : ?

Carnot cycle comprises of

two isentropic processes and two constant volume processes

None of these

two isentropic processes and two constant pressure processes

two isothermal processes and three constant pressure processes

TRUE ANSWER : ?
YOUR ANSWER : ?

For the safety of a steam boiler the number of safety valves fitted are

two

four

one

three

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following coals has the highest calorific value?

Peat

Anthracite coal

Bituminous

Lignite

TRUE ANSWER : ?
YOUR ANSWER : ?

The peak power supplied by peak load station is

Same expensive as base load

Very cheap

Very costly

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Blowing down of boiler water is the process

None of these

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

to increase the steam temperature

to reduce the boiler pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

The average ash content in indian coals is about

20%

5%

10%

15%

TRUE ANSWER : ?
YOUR ANSWER : ?