GENERATION OF ELECTRICAL ENERGY QUIZ

In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating

Decreases with increase in Rankine cycle efficiency

None of these

Is unaffected by increase in Rankine cycle efficiency

Increases with increase in Rankine cycle efficiency

TRUE ANSWER : ?
YOUR ANSWER : ?

The most clean power plant is

Diesel power plant

Hydroelectric plant

Nuclear power plant

Steam power plant

TRUE ANSWER : ?
YOUR ANSWER : ?

Blowing down of boiler water is the process

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

None of these

to reduce the boiler pressure

to increase the steam temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

Area under the daily load curve divided by 24 hrs gives

Units generated

Maximum demand

Average load

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Rankine cycle efficiency of a good steam power plant may be in the range of

90 to 95 percent

70 to 80 percent

15 to 20 percent

35 to 45 percent

TRUE ANSWER : ?
YOUR ANSWER : ?

In thermal power plant, economiser are used to heat

Air

Feed water

None of these

Steam

TRUE ANSWER : ?
YOUR ANSWER : ?

In coal preparation plant, magnetic separators are used to remove

Dust

Clinkers

Sand

Iron particles

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following coals has the highest calorific value?

Lignite

Anthracite coal

Bituminous

Peat

TRUE ANSWER : ?
YOUR ANSWER : ?

The highest point on the daily load curve represent

Average demand

Maximum demand

Load factor

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

If the diversity factor increases, the maximum demand on power station

None of these

Decreases

Remains same

Increases

TRUE ANSWER : ?
YOUR ANSWER : ?