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Free download in PDF Sources of Energy Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(21)
Which among the following is not a renewable source of energy?
[A]
Solar energy
[B]
Biomass energy
[C]
Hydro-power
[D]
Geothermal energy
(22)
Which of the following is a disadvantage of most of the renewable energy sources?
[A]
Highly polluting
[B]
High waste disposal cost
[C]
Unreliable supply
[D]
High running cost
Answer: Unreliable supply
(23)
Identify the non-renewable energy resource from the following:
[A]
Coal
[B]
Fuel cells
[C]
Wind power
[D]
Wave power
(24)
Hydrogen bomb is based on
[A]
Nuclear Fission reaction
[B]
Nuclear Fusion reaction
[C]
both (A) and (B)
[D]
None of the above
Answer: Nuclear Fusion reaction
(25)
Following is true for producing nuclear energy
[A]
nucleus of a heavy atom is bombarded with low energy neutrons
[B]
nuclear fission takes place
[C]
both (A) and (B)
[D]
None of the above
(26)
Ocean thermal energy is obtained dur to
[A]
difference in sea level
[B]
winds blowing from sea
[C]
temperature difference of sea surface and depth
[D]
none of the above
Answer: temperature difference of sea surface and depth
(27)
Following material is used to make solar cell
[A]
Germanium
[B]
Silicon
[C]
Indium
[D]
None Of The Above
(28)
Following is responsible for tidal energy
[A]
difference in sea level
[B]
winds blowing from sea
[C]
temperature difference of sea and land
[D]
none of the above
Answer: difference in sea level
(29)
The solar energy reaching unit area at outer edge of the earth’s atmosphere exposed perpendicularly to the rays of the Sun at the average distance between the Sun and earth is known as the
[A]
Solar constant
[B]
Energy constant
[C]
energy equivalent
[D]
None of the Above
(30)
Acid rain happens because
[A]
sun leads to heating of upper layer of atmosphere
[B]
burning of fossil fuels release oxides of carbon, nitrogen and sulphur in the atmosphere
[C]
electrical charges are produced due to friction amongst clouds
[D]
None Of The Above
Answer: burning of fossil fuels release oxides of carbon, nitrogen and sulphur in the atmosphere
31
In a hydro power plant
[A]
potential energy possessed by stored water is converted into electricity
[B]
kinetic energy possessed by stored water is converted into potential energy
[C]
electricity is extracted from water
[D]
water is converted into steam to produce electricity
Answer: potential energy possessed by stored water is converted into electricity
32
Which part of the solar cooker is responsible for greenhouse effect?
[A]
Coating with black colour inside the box
[B]
Mirror
[C]
Glass sheet
[D]
None of the above
33
Choose the correct statement
[A]
Sun can be taken as an inexhaustible source of energy
[B]
There is infinite storage of fossil fuel inside the earth
[C]
Hydro and wind energy plants are non-polluting sources of energy
[D]
Waste from a nuclear power plant can be easily disposed off
Answer: Sun can be taken as an inexhaustible source of energy
34
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because
[A]
its temperature increases
[B]
larger amount of potential energy is converted into kinetic energy
[C]
the electricity content of water increases with height
[D]
more water molecules dissociate into ions
Answer: larger amount of potential energy is converted into kinetic energy
35
Choose the incorrect statement.
[A]
We are encouraged to plant more trees so as to ensure clean environment and also provide biomass fuel
[B]
Gobar-gas is produced when crops, vegetable wastes etc., decompose in the absence of oxygen
[C]
The main ingredient of biogas is ethane and it gives a lot of smoke and also produces a lot of residual ash
[D]
None of the above
Answer: The main ingredient of biogas is ethane and it gives a lot of smoke and also produces a lot of residual ash
36
Which of the following is (are) released on fossil fuels?
[A]
Nitrogen
[B]
Carbon dioxide
[C]
Water vapor
[D]
All of the above
37
Following is (are) the use(s) of Wind energy
[A]
In water lifting pump
[B]
To generate electricity
[C]
both (A) and (B)
[D]
None of the above
38
Dynamo converts the
[A]
mechanical energy into electrical energy
[B]
chemical energy into electrical energy
[C]
heat energy into electrical energy
[D]
None of the above
Answer: mechanical energy into electrical energy
39
Which is the major constituent of Bio-gas?
[A]
Carbon dioxide
[B]
Methane
[C]
Hydrogen
[D]
None of the above
40
Which country is called the country of ‘winds’?
[A]
Sweden
[B]
Norway
[C]
Denmark
[D]
France
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