Q1-: An example of a renewable source of energy is:
A) Petrol
B) natural gas
C) biogas
D) kerosene

Q2-: A non-renewable source of energy is:
A) wood
B) alcohol
C) hydrogen gas
D) natural gas

Q3-: which of the following is not a renewable source of energy?
A) Wind
B) Flowing water
C) Fossil fuels
D) fuel wood

Q4-: A good fuel is one which possesses:
A) high calorific value and low ignition temperature
B) high calorific value and high ignition temperature
C) high calorific value and moderate ignition temperature
D) low calorific value and moderate ignition temperature

Q5-: The fuel having a calorific value of 55kJ/g is likely to be:-
A) biogas
B) methane gas
C) hydrogen gas
D) natural gas

Q6-: a newly planted sampling usually grows and matures into a tree in more than:
A) 50 years
B) 25 years C) 45 years
D) 15 years

Q7-: Which of the following fuels has the highest calorific value?
A) natural gas
B) methane gas
C) hydrogen gas
D) biogas

Q8-: The fuel having the lowest calorific value is:
A) coal
B) wood
C) charcoal
D) kerosene

Q9-: There four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has:
A) more of carbon but less of hydrogen
B) lees of carbon but more of hydrogen
C) equal proportions of carbon and hydrogen
D) less of carbon as well as less of hydrogen

Q10-: One of the following is not a characteristic of a good fuel. This is :
A) high calorific value
B) no emission of smoke
C) smooth burning
D) high ignition  temperature

Q11-:which of the following is not a fossil fuel?
A) coal
B) petroleum gas
C) biogas
D) natural gas

Q12-: The main constituent of petroleum gas is:  
A) methane
B) ethane
C) butane
D) propane

Q13-:The natural gas consists mainly of:
A) methane
B) ethane
C) propane
D) butane

Q14-: Which of the following is not produced by the burning of fossil fuels?
A) nitrogen oxides
B) sulphur oxides
C) sodium oxides
D) carbon oxides

Q15-: The product of petroleum used to drive heavy vehicles like trucks is:
A) petrol
B) kerosene
C) diesel

Q16-: The aviation fuel which is used in the engines of jet aeroplanes is:
A) diesel
B) kerosene
C) diesel

Q17-: The ultimate source of energy stored in fossil fuels is:
A) moon
B) earth
C) sun
D) sea

Q18-: Which of the following is not a fossil source of energy?
A) Kerosene oil
B) cow-dung cakes
D) coal

Q19-: The fuel which is not used at thermal power plants is:
A) Coal
B) uranium
C) natural gas
D) fuel oil

Q20-: LPG consists maily of:
A) butane
B) ethane
C) butanone
D) methane

Q21-: Coke is more valuable used:
A) as a fuel for industrial boilers
B) as an oxidising agent
C) as a reducing agent
D) as a fuel in domestic ovens

Q22-: Coal cannot be converted into one of the following forms of energy. This is:
A) Coal gas
B) Electricity
C) Oil
D) Charcoal

Q23-: One of the following does not contribute to acid rain. That is:
A) nitrogen monoxide
B) sulphur dioxide
C) carbon monoxide
D) carbon dioxide

Q24-: A solar water heater cannot be used to get hot water on:
A) a sunny day
B) a cloudy day
C)  a hot day
D) a windy day

Q25-: At a hydro power plant:
A) kinetic energy possessed by stored water is converted into electrical energy
B) Electricity is extracted from water
C) water is converted into steam to turn turbines and produce electricity.
D) potential energy possessed by stored water is converted into electricity

Q26-: The part of box-type solar cooker which is responsible for producing greenhouse effect is:
A) Plane mirror reflector
B) black coating inside the box
C) glass sheet cover
D) utensils placed in the cooker box

Q27-: Solar cells are made of:
A) Plane mirror reflector
B) Black coating inside the box
C) glass sheet cover
D) utensils placed in the cooker box

Q28-: The value of solar constant is:
A) 1.4 kWh
B) 1.4 kW/m
C) 1.4kW/m2
D) 1.4 kW/m3

Q29-: The radiations present in sunlight which make a solar cooker work me:
A) visible light rays
B) ultraviolet rays
C) cosmic rays
D) infrared rays

Q30- In order to make an efficient solar cooker, the cover of cooker box should be made of:
A) transparent plastic sheet
B) shining aluminium sheet
C) buttar paper sheet
D) transparent glass sheet

Q31-: The minimum speed of wind necessary for the satisfactory working of a wind generator to produce electricity is about:
A) 15km/h
B) 25km/h
C) 35km/h
D) 45km/h

Q32-: If the solar constant is 1.4 kW/m2, the solar energy received by 1 m2 area in one hour is :
A) 5040 J
B) 504.0 kJ
C) 5040 kJ
D)5.01 kJ

Q33-: A solar cooker may not cook food if :
A) the solar cooker is not placed in the shade
B) the glass sheet cover of solar cooker is not closed
C) a convex mirror reflector is not used
D) the food containers of insulating material are not used

Q34-: which of the following is not an example of a biomass energy source?
A) wood
B) biogas
C) atomic energy
D) cow-dung

Q35-: Most of the sources of energy that we use represent stored solar energy. Which of the following is not ultimately derived from the sun’s energy?
A) wind energy
B) geothermal energy
C) fossil fuels
D) biomass

Q36-: The constituent of biogas which makes it an excellent fuel is:
A) butane
B) methane
C) propane
D) ethane

Q37-: The major component of biogas is :
A) hydrogen
B) butane
C) hydrogen sulphide
D) methane

Q38-: Which of the following is not renewable energy technology?
A) solar cells
B) windmills
C) nuclear power
D) tidal power

Q39-: The rise of sea-water during high tides caused by the gravitational pull of the:
A) Sun
B) Earth
C) Moon
D) Mars

Q40-: One of the following is not required in the formation of biogas in a biogas plant. This :


A) Cow-dung
B) water
C) oxygen
D) anaerobic bacteria

Q41-: The fuel which is not obtained from biomass is:
A) firewood
B) cow-dung cakes
C) coke
D) charcoal

Q42-: The non-renewable source of energy among the following is:
A) Hydroelectricity
B) sewage gas
C) natural gas
D) gobar gas

Q43-: Geothermal energy is produced by the:
A) fission of radioactive materials
B) burning of coal inside the coal mines
C) combustion of natural gas deep inside the earth
D) fusion of radioactive substances

Q44-: The harnessing of which of the following leads to the destruction of large ecosystems?
A) thermal power tidal
B) tidal power
C) hydro power
D) geothermal power

Q45-: Which of the following is not a consequence of establishing hydroelectric power plants?
A) displacement of people
B) production of methane
C) occurrence of floods
D) ecological disturbance

Q46-: Which of the following is used as a moderator in the reactor of a nuclear power station?
A) liquid sodium
B) boron
C) graphite
D) carbon dioxide

Q47-: The control rods used in the reactor of a nuclear power plant are made of:
A) steel
B) graphite
C) uranium
D) boron

Q48-: The ‘coolants’ which can be used in the reactor of a nuclear power station are:
A) liquid mercury and nitrogen dioxide
B) liquid sodium and carbon dioxide
C) liquid ammonia and carbon monoxide
D) liquid boron and uranium oxide

Q49-: In a nuclear power plant, coolant is a substance:
A) which cools the hot, spent steam to condense it back to water
B) which transfers heat from reactor to water in heat exchanger
C) which is boiled to make steam to turn the turbine
D) which cools the generator coils to prevent their overheating

Q50-: Which of the following is ultimately not derived from the sun’s energy (or solar energy)
A) wind energy
B) nuclear energy
C) biomass energy
D) ocean thermal energy

Q51-:One atomic mass unit (u) is equivalent to an energy of:
A) 931 eV
B) 9.31 MeV
C) 1 MeV
D) 931 MeV

Q52-: The energy  in the reactor of a nuclear power station is produced by the process of:
A) nuclear diffusion
B) nuclear fission
C) nuclear fusion
D) nuclear fermentation

Q53-:One eV (electron volt) of nuclear energy is equivalent to:
A) 1.6 x 10–14J
B) 1.6 x 10–12J
C) 1.6 x 10–19J
D) 1.6 x 10–13J

Q54-: Which of the following can be produced during the nuclear fission as well as nuclear fusion reactions?
A) protons
B) deuterons
C) electrons
D) neutrons

Q55-: Nuclear fission reactions are not a source of energy for one of the following.This is:
A) Atom bomb
B) Power plants
C) Sun
D) Pacemaker

Q56-: The energy produced by converting 1 gram mass of a nuclear fuel into energy completely is:
A) 9 x 1016J
B) 9 x 1014J
C) 9 x 1015J
D) 9 x 1013J

Q57-: The source of energy of the sun is:
A) Conversion of hydrogen gas into helium
B) Conversion of carbon fuel into carbon dioxide
C) burning of hydrogen gas present in the sun
D) disintegration of uranium into barium and krypton

Q58-:An uncontrolled nuclear chain reaction forms the basis of:
A) nuclear power plant
B) hydrogen bomb
C) thermal power station
D) atom bomb

Q59-: One MeV of nuclear chain reaction forms the basis of:  
A) 1.6 x 10–13J
B) 1.6 x 10–19J
C) 1.6 x 10–16J
D) 1.6 x 10–15J

Q60-: One type of energy which has not been controlled so far is:
A) ocean thermal energy
B) nuclear fusion energy
C) geothermal energy
D) nuclear fission energy

Q61-: The disposal of wastes produced in a nuclear power plant poses a big problem because it is:
A) too heavy
B) highly inflammable
C) extremely foul smelling
D) highly radioactive

Q62-:The heat energy released during nuclear fission and fusion is due to the:
A) conversion of stored chemicals into energy
B) conversion of momentum into energy
C) conversion of mass into energy
D) conversion of magnetism into energy

Q63-: Which of the following can undergo nuclear fusion reaction?
A) uranium
B) deuterium
C) barium
D) krypton

Q64-: The major cause of environmental pollution is the use of:  
A) hydrogen as fuel
B) biomass energy
C) ocean energy
D) fossil fuels

Q65-: The world’s known coal reserves are expected to last for about:
A)200 years
B) 400 years
C) 500 years
D) 100 years

Q66-: The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:
A) Coal
B) uranium
C) petroleum
D) natural gas

Q67-: An energy efficient device for producing light is:


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