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10 questions
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- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is a fossil fuel?
Petroleum
Wood
Cow dung
Dry leaves
- Multiple ChoicePlease save your changes before editing any questions.
Identify the fuel that leaves more smoke and ash on burning.
Solid fuel
Liquid fuels
Gaseous fuels
Any one of the above
- Multiple ChoicePlease save your changes before editing any questions.
What do fuels combine with to produce heat and light?
Carbon dioxide
Carbon monoxide
Hydrogen
Oxygen
- Multiple ChoicePlease save your changes before editing any questions.
By which of the given processes is coal formed?
Carbonisation
Distillation
Vapourisation
Evaporation
- Multiple ChoicePlease save your changes before editing any questions.
Which of the forms of coal has highest percentage of carbon?
Anthracite
Bituminous
Peat
Lignite
- Multiple ChoicePlease save your changes before editing any questions.
What are the most common sources of energy used in automobiles?
Wood and coal
Petroleum and diesel
LPG and cow dung
Natural gas and coal
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following properties is NOT a characteristic of a good fuel?
High Ignition temperature
Low cost
Causes minimum pollution
Readily available
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following has the highest boiling point?
Kerosene
Petrol
Diesel
Water
- Multiple ChoicePlease save your changes before editing any questions.
Where is kerosene mainly used?
In laying down roads
As fuel in jet engines
In making water proof materials
In furnaces of industries
- Multiple ChoicePlease save your changes before editing any questions.
How is coke superior than coal as a fuel?
Coal is mineral and burns releasing smoke while coke is a residue
Coal is an impure form of carbon, while coke is a pure form of carbon
Only coal consists of atoms of carbon, hydrogen , oxygen and sulphur while coke mainly consists of carbon
All of the above