MCQ on Sources of Energy. We covered all the MCQ on Sources of Energy in this post for free so that you can practice well for the exam.
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MCQ on Sources of Energy for Students
Biogas is a better fuel than animal dung cake because
(a) biogas has a lower calorific value.
(b) animal dung cake has a high calorific value
(c) biogas bums smoke and leave no residue
(d) biogas is used as a fuel for cooking only whereas dung cake can be used for cooking, illuminant the lanterns.
Option c – biogas bums smoke and leave no residue
Which of the following organism produces biogas from cow drug sherry in the biogas plant?
(a) aerobic bacteria
(b) anaerobic bacteria
(c) prolozoa
(d) fungi
Option b – anaerobic bacteria
The wind is caused due to
(a) uneven heating of the earth’s surface
(b) rotation of the earth
(c) local conditions
(d) All of these
Option d – All of these
What are the disadvantage of solar energy
(a) A large surface area is required to collect the solar
(b) Daily average of solar energy varies from 4 to 7 kwh/m²
(c) Highly hazardous toxic material is used in the manufacturing of solar devices.
(d) All of the above are disadvantages.
Option d – All of the above are disadvantages
The temperature inside the solar cooker ranges from
(a) 500-100°C
(b) 100-140°C
(c) 150-200°C
(d) 70-80°C
Option b – 100-140°C
The use of reflectors in the solar cooker is to
(a) Decrease efficiency
(b) create greenhouse effect
(c) increase efficiency
(d) none of these
Option c – increase efficiency
Solar cells are made of
(a) germanium
(b) silicon
(c) Silver
(d) aluminium
Option b – silicon
The material used for the interconnection of the solar cells in the solar panel is
(a) silicon
(b) Silver
(c) aluminium
(d) copper
Option b – Silver
A solar panel is made by combining an arrangement
(a) solar concentrator
(b) solar cookers
(c) solar cells
(d) solar chimney
Option c – solar cells
Tidal energy is a farm of energy obtained from the
(a) the motion of surface water in ponds
(b) ocean in the form of tidal waves
(c) tides occur in the river water
(d) the motion of the wave in the sea
Option b – ocean in the form of tidal waves
Select the correct order of energy conversion in thermal power plant
(a) Meal – mechanical energy energy – electrical energy
(b) Chemical – Mechanical energy energy – electrical energy
(c) Solar – electrical energy energy – mechanical energy
(d) chemical – solar energy energy – heat energy
Option b – Chemical – Mechanical energy energy – electrical energy
Hydropower plant are located in the
(a) desert area
(b) plane area
(c) hilly terrains
(d) none-of above
Option c – hilly terrains
The power generated in a windmill
(a) is more in rainy season since damp air would mean more air mass hitting the blades
(b) depends on the height of the tower
(c) depends on wind velocity
(d) can be increased by planting tall trees close to the tower
Option a – is more in rainy season since damp air would mean more air mass hitting the blades
Which part of the solar cooker is responsible for green house effect?
(a) Coating with black colour inside the box
(b) Mirror
(c) Glass sheet
(d) Outer cover of the solar cooker
Option c – Glass sheet
Select the important factor for the site selection of a thermal power plant.
(a) Distance from the populated area
(b) Availability of fuel
(c) Availability’ of water
(d) Cost of plant
Option c – Availability’ of water
Wave energy is caused due to
(a) strong winds blowing across the sea
(b) kinetic energy possessed by huge waves near the sea shore
(c) potential energy possessed by the stored water
(d) both (a) and (b)
Option d – both (a) and (b)
The working fluid in ocean thermal power plant is
(a) Volatile liquid like ammonia
(b) Petrol
(c) Charcoal
(d) Liquified petroleum gas
Option a – Volatile liquid like ammonia
Geothermal energy is
(a) Heat energy in the interior of earth
(b) Energy of molten mars exists in the farm of magma inside the earth.
(c) Molten lava on the surface of earth
(d) Energy obtained from solar thermal electric plants
Option c – Molten lava on the surface of earth
U-235 will undergo fission by
(a) low energy neutrons only
(b) high energy neutrons only
(c) medium energy neutrons
(d) low energy protons only
Option d – low energy protons only
In a hydropower 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.
Option a – Potential energy possessed by stored water is converted into electricity
Which is the ultimate source of energy?
(a) Water
(b) Sun
(c) Uranium
(d) Fossil fuels
Option b – Sun
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
(a) Nuclear energy
(b) Thermal energy
(c) Solar energy
(d) Geothermal energy
Option c – Solar energy
Ocean thermal energy is due to
(a) energy stored by waves in the ocean
(b) temperature difference at different levels in the ocean
(c) pressure difference at different levels in the ocean
(d) tides arising out in the ocean
Option b – temperature difference at different levels in the ocean
The major problem in harnessing nuclear energy is how to
(a) split nuclei
(b) sustain the reaction
(c) dispose off spent fuel safely
(d) convert nuclear energy into electrical energy
Option c – dispose off spent fuel safely
Tidal energy is harnessed by constructing a dam across
(a) narrow opening to the sea
(b) wide opening to the sea
(c) the river in hilly trains
(d) the river in plane areas
Option a – narrow opening to the sea
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