Question
Name the unit in which the calorific value of a fuel is expressed.
Solution
The calorific value of fuel is expressed in Kilojoules per kg (kJ/kg).
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Name the unit in which the calorific value of a fuel is expressed.
The calorific value of fuel is expressed in Kilojoules per kg (kJ/kg).
Explain how the use of CNG in automobiles has reduced pollution in our cities.
Compare LPG and wood as fuels.
Give reasons :
Water is not used to control the fire involving electrical equipment.
Give reasons :
LPG is a better domestic fuel than wood.
Give reasons :
Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
Make a labelled diagram of candle flame.
Name the unit in which the calorific value of a fuel is expressed.
Explain how CO2 is able to control fires.
It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.
Which zone of a flame does a goldsmith use for melting gold and silver and why ?
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