The calorific value of a fuel is expressed in a unit
kilojoule per kg (kJ/kg)
Zones of flame
Outer, middle and inner
The types of combustion
rapid combustion, spontaneous combustion, explosion
The substances which have very low ignition temperature and can easily catch fire with a flame
inflammable substances
The lowest temperature at which a substance catches fire
ignition temperature
The amount of heat energy produced on complete combustion of 1 kg of a fuel is called
calorific value
Increased percentage of carbon dioxide in air has been linked to
global warming
Incomplete combustion of a fuel gives poisonous ________ gas
carbon monoxide
Fire produced by oil cannot be controlled by_______.
Water
A chemical process in which a substance reacts with oxygen to give off heat is called
Combustion