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Class 10 Science
Conventional Sources Of Energy Chapter 14
Quiz 1
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Power plant that uses kinetic and potential energy of water to generate electricity is called
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Nuclear Power Plant
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Hydro electric Power plant
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Thermal Power Plant
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Biogas Power Plant
Which one of the following is not a fossil fuel ?
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Liquified petroleum gas
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Coal gas
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Compressed natural gas
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Biogas
Choose the incorrect statement regarding wind power
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Wind hitting at the blades of a windmill causes them to rotate. The rotation thus achieved can be utilised further.
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The potential energy content of wind blowing at high altitudes is the source of wind power.
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It is expected to harness wind power to minimum in open spaces.
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One possible method of utilising the energy of rotational motion of the blades of a windmill is to run the turbine of an electric generator.
In a hydro-electric power plant:
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Electricity is extracted from water
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Kinetic energy possessed by stored water is converted into potential energy
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Water is converted into steam to produce electricity
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Potential energy possessed by stored water is converted into electricity
Which of these does not require any fuel to generate electricity?
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Nuclear power plant
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Thermal power plant
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Biogas power plant
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Wind mill
The fossil fuels which are replenished again are called
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renewable
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man made fuels
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non-renewable
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natural fuels
Which one is the non-renewable source of energy?
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Ocean wave energy
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Wind energy
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Solar energy
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Natural gas
The use of charcoal is discouraged even though it is a better fuel than coal, because:
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coal burns comparitively smokeless
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coal has a higher heat generation efficiency
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Charcoal burns with flames
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charcoal is prepared from destructive distillation of wood
The main constituent of bio-gas is:
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Ethylene
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Methane
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Hydrogen and oxygen
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Oxygen and Ethane
The minimum speed of wind which is required to run a windmill is:
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15Km/h
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35 Km/h
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25Km/h
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5 Km/h
The capacity of wind mill farm situated in kanyakumari is
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200 MW
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250 MW
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380 MW
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420 MW
Choose the incorrect statement
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Bio-mass is a renewable source of energy
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The main ingredient of bio-gas is methane and it gives a lot of smoke and also produces a lot of residual ash.
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We are encouraged to plant more trees so as to ensure clean environment and also provide bio-mass fuel
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Gobar-gas is produced when crops, vegetable wastes, etc., decompose in the absence of oxygen
Identify A and B in the following figure :
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A = Gas chamber, B = Mixture
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B = Gas chamber, A = Mixture
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A = Digestor, B = Gas outlet
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None of the above
Major pollutants produced during combustion of fossil fuels are
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Carbon
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Nitrogen
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Sulphur
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Oxides of carbon, sulphur, nitrogen
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because:
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the electricity content of water increases with height
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larger amount of potential energy is converted into kinetic energy
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more water molecules dissociate into ions
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its temperature increases
The power generated in a windmill:
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depends on wind velocity
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depends on the height of the tower
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is more in rainy season since damp air would mean more air mass hitting the blades.
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can be increased by planting tall trees close to the tower
Among the following energy sources, which one is least used for generating electricity in India?
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Hydro
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Natural gas
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Wind
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Nuclear
The major source of energy used to produce electricity in India is
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Coal
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Nuclear
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Hydro
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Petroleum and Natural gas
Gasoline is produced by refining which fossil fuel?
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natural gas
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petroleum
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propane
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coal
Acid rain happens because:
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burning of fossil fuels release oxides of carbon, nitrogen and sulphur in the atmosphere
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earth's atmosphere contains acids
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sun leads to heating of upper layer of atmosphere
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electrical charges are produced due to friction amongst clouds
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