Power Generation MCQ type Questions And Answer

Power Generation MCQ type Questions And Answer

MCQ's of electrical power generation are available here in this post, in which all the types of basic questions are covered, so which is very useful for competitive exams.


Power Generation MCQ type Questions And Answer

Breather present in transformer is used to____?

(A) Absorb atmospheric moisture

(B) Prevent insulation failure

(C) Cooling

(D) All of these

Ans. (A) Absorb atmosphere moisture


Q.1

In India largest thermal power station
is located at

(a)Kota

(b)Sarni

(c)Chandrapur

(d)Neyveli

Ans.

(c)Chandrapur




Q.2

The percentage O2 by weight in atmospheric air is

(a)18%

(b)23%

(c)77%

(d)79%

Ans.

(b)23%



Q.3

The percentage O2 by volume in atmosphere air is

(a)21%

(b)23%

(c)77%

(d)79%

Ans.

(a)21%



Q.4

The proper indication of incomplete combustion is

(a)high CO content in flue gases at exit

(b)high CO2 content in flue gases at exit

(c)high temperature of flue gases

(d)the smoking exhaust from chimney

Ans.

(a)high CO content in flue gases at exit



Q.5

The main source of production of biogas is

(a)human waste

(b)wet cow dung

(c)wet livestock waste

(d)all above

Ans.

(d)all above



Q.6

India's first nuclear power plant was
installed at

(a)Tarapore

(b)Kota

(c)Kalpakkam

(d)none of the above

Ans.

(a)Tarapore



Q.7

In fuel cell, the _____energy is converted into electrical energy.

(a)mechanical 

(b)chemical

(c)heat

(d)sound

Ans.

(b)chemical



Q.8

Solar thermal power generation can be
achieved by

(a)using focusing collector or heliostats

(b)using flat plate collectors

(c)using a solar pond

(d)any of the above system

Ans.

(d)any of the above system



Q.9

The energy radiated by sun on a bright
sunny day is approximately

(a)700W/m

(b)800W/m2

(c)1 kW/m2

(d)2 kW/m2

Ans.

(c)1 kW/m2



Q.10

Thorium Breeder Reactors are most
suitable for India because

(a)these develop more power

(b)its technology is simple

(c)abundance of thorium deposits are available in India

(d)these can be easily designee

Ans.

(c)abundance of thorium deposits are available in India



Q.11

The overall efficiency of thermal power plant is equal to

(a)Rankine cycle efficiency

(b)Carnot cycle efficiency

(c)Regenerative cycle efficiency

(d)Boiler efficiency x turbine efficiency x generator efficiency

Ans.

(d)Boiler efficiency x turbine efficiency x generator efficiency



Q.12

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

(a)15 to 20 percent

(b)35 to 45 percent

(c)70 to 80 percent

(d)90 to 95 percent

Ans.

(b)35 to 45 percent



Q.13

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

(a)has higher thermal efficiency than
the Carnot cycle operating between
same pressure limits

(b)has lower thermal efficiency than
Carnot cycle operating between same
pressure limits

(c)has same thermal efficiency as car-
not cycle operating between same
pressure limits

(d)may be more or less depending upon
the magnitude of p1 and p2

Ans.

(a)has higher thermal efficiency than
the Carnot cycle operating between
same pressure limits



Q.14

Rankine efficiency of a steam power plant

(a)improves in summer as compared to
that in winter

(b)improves in winter as compared to
that in summer

(c)is unaffected by climatic conditions

(d)none of the above

Ans.

(b)improves in winter as compared to
that in summer



Q.15

Carnot cycle comprises of

(a)two isentropic processes and two
constant volume processes

(b)two isentropic processes and two.
constant pressure processes

(c)two isothermal processes and two
constant pressure processes

(d)none of the above

Ans.

(b)two isentropic processes and two.
constant pressure processes