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WorksheetsCombustion and Flame
Total questions: 10
Worksheet time: 8mins
Which of these are true about combustion
It is a physical process
It has an exothermic reaction
Combustion does not always result in fire
If combustion results as fire it does not create smoke
What do not produce flames but generate heat
Oil
Coal
Petroleum
Wood
A good fuel is on which is
Cheap
Produces large number of heat
Readily available
All of these
Combustion always results as flames
True
False
Name the most common fuel used in homes
(a)
What is the most common fire extinguisher
Petroleum
LPG
Water
Name combustible substances
Coal
Water
Wood
Sand
What are the three essential requirements for combustion
Fuel
Supply of oxygen
Water
Heat
What is the unit for expressing the calorific value of fuel
(a)
What is the calorific value of COMPRESSED NATURAL GAS (CNG
(a)
