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प्रश्न
The fuel having the lowest calorific value is:
(a) coal
(b) wood
(c) charcoal
(d) kerosene
उत्तर
wood
Wood has the lowest calorific value among the given fuels.
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संबंधित प्रश्न
Name two sources of energy that you think are renewable. Give reason for your choice.
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.
Name the element X.
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.
Name another element which is usually found in combination with X in fossil fuels.
What are the raw materials used for making biogas?
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
Which of the following is a non-renewable source of energy?
Which part of the solar cooker is responsible for greenhouse effect?
Which among the following is the non-renewable resources?
