Combustion and Flame

A visually engaging illustration of a flame, combustion processes, and clean fuels, capturing the essence of science and safety.

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

20 Questions5 MinutesCreated by BurningFuel123

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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Combustion and Flame

Ignite Your Knowledge: Combustion and Flame Quiz

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