4.combustion Flashcards
1
Q
Whw is combustion
A
A chemical process in which a substance reacts with oxygen to give off heat is called combustion
2
Q
Imflamable substance
A
The time which have very low ignition temperature.easily catch fire
3
Q
Best fire extinguisher for electrical and petrol diesel
A
Co2 fire extinguisher
4
Q
Calorific value
A
The amount of heat energy produced on complete combustion of 1 kg of fuel
5
Q
calorific value of fuel is expressed in
A
Kilojoul per kg
6
Q
Burning of coal and diesel releases
A
Sulphur dioxide gas
7
Q
Petrol engine releasing which gas
A
Nitrogen oxide
8
Q
Chemical of acid rain
A
Sulphur and nitrogen oxide
