Combustion and Flame
Ignite Your Knowledge: Combustion and Flame Quiz
Test your understanding of combustion principles with our engaging quiz! This quiz will cover essential concepts related to combustion, fuels, and extinguishing fires, making it perfect for anyone interested in the science of fire.
Key Features:
- Multiple-choice questions
- Learn about ignition temperatures
- Explore clean fuels and their benefits
- Understand the components of combustion
Gas necessary for combustion is:
Oxygen
Nitrogen
Sulphur dioxide
Hydrogen
Substance that burns in oxygen to produce heat and light is called:
Combustible
Non combustible
Renewable
Limitless
Substance that does not burn in air is:
Sand
Kerosene
Wood
Diesel
Amount of heat energy produced on complete combustion of 1kg of fuel is called:
Combustion value
Heat value
Calorific value
Energy value
Combustion is also called:
Radiation
Burning
Conduction
Induction
Lowest temperature at which a substance catches fire is called its:
Ignition temperature
Vapourising temperature
Blackening temperature
Threshold temperature
A combustible substance is :-
Water
Sand
Wax
Glass
Water works as a fire extinguisher by removing :-
Both oxygen and heat
Oxygen
Heat
Source of combustible substance
We can extinguish fire by:-
Cutting the supply of oxygen
Lowering temperature below ignition temperature
Both cutting the supply of oxygen & lowering temperature below ignition temperature
Removing non combustible substances from surroundings
Choose the incorrect statement from the following. A good fuel is one which:
Burns easily in air at a moderate rate
Produces a large amount of heat
Leaves behind many undesirable substances
Is readily available
Which among the following is considered as a clean fuel?
Cow dung cake
CNG
Kerosene
Petrol
The calorific value of a fuel is expressed in a unit called________.
Kilojoule per litre
Kilojoule per gram
Kilojoule per kilogram
Kilogram per mililitre
Choose the correct statement about inflammable substances from the following. They have:
High ignition temperature and can catch fire easily.
Low ignition temperature and cannot catch fire easily.
High ignition temperature and cannot catch fire easily
Low ignition temperature and can catch fire easily.
The substance expected to have the highest ignition temperature out of the following is ________
Petrol
LPG
Kerosene
Coal
On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of nonavailability of ________.
Oxygen
Water vapours
Wax
Carbon dioxide
The substance that does not burn with flame is ________.
Dry grass
LPG
Charcoal
Camphor
Which one of the following has the highest calorific value?
Biogas
Petrol
LPG
Kerosene
If a person’s clothes catch fire, the best way to extinguish the fire is to:
Cover the person with a polythene sheet
Cover the person with a woolen blanket
Cover the person with a newspaper
Cover the person with a synthetic fabric
Which of the following is not a combustible substance?
Glass
Petrol
Straw
Camphor
A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance?
Glass
Iron nail
Stone piece
Wood
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