No student devices needed. Know more
15 questions
Identify the fuel that leaves more smoke and ash on burning.
Solid fuel
Liquid fuels
Gaseous fuels
Any one of the above
By which of the given processes is coal formed?
Carbonisation
Distillation
Vapourisation
Evaporation
Which of the forms of coal has highest percentage of carbon?
Anthracite
Bituminous
Peat
Lignite
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
Which of the following properties is NOT a characteristic of a good fuel?
High Ignition temperature
Low cost
Causes minimum pollution
Readily available
Where is kerosene mainly used?
In laying down roads
As fuel in jet engines
In making water proof materials
In furnaces of industries
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
Which type of coal has the most energy?
Bituminous
Peat
Anthracite
Lignite
Which material is the initial starting point of coal formation?
Bituminous
Peat
Anthracite
Lignite
Explore all questions with a free account