GENERATION OF ELECTRICAL ENERGY QUIZ

The efficiency of chimney is approximately

20 %

80 %

0.25 %

40 %

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None of these

Increases with increase in Rankine cycle efficiency

Decreases with increase in Rankine cycle efficiency

Is unaffected by increase in Rankine cycle efficiency

TRUE ANSWER : ?
YOUR ANSWER : ?

The modern steam turbine are

Impulse turbine

Impulse-reaction turbines

None of these

Reaction turbine

TRUE ANSWER : ?
YOUR ANSWER : ?

Location of surge tank in a hydro electric station is near to the

None of these

Tailrace

Turbine

Reservoir

TRUE ANSWER : ?
YOUR ANSWER : ?

Rankine cycle operating on low pressure limit of p1 and high pressure limit of p2

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

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

The knowledge of diversity factor helps in determining

None of these

Units generated

Average load

Plant capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Kaplan turbine

None of these

Pelton turbine

Francis turbine

TRUE ANSWER : ?
YOUR ANSWER : ?

Basic unit of of energy is

Joule

Watt/sec

Joule/sec

Watt

TRUE ANSWER : ?
YOUR ANSWER : ?

The efficiency of a modern boiler using coal and heat recovery equipment is about

65 to 70%

85 to 90%

40 to 50%

25 to 30%

TRUE ANSWER : ?
YOUR ANSWER : ?

There are no stand by losses in _______ plant.

Steam power plant

Hydroelectric plant

Nuclear power plant

Diesel power plant

TRUE ANSWER : ?
YOUR ANSWER : ?