Combustion and Flame

What are the necessary requirements for combustion?

• Oxygen

• Fuel

• Combustible Substance

• All of these

What is Ignition Temperature?

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Observe the image carefully and answer the following question:

____________ hot zone leaves unburnt carbon particles.

What type of information does the calorific value provide about fuel energy content?

• Volume per unit mass

• Density per unit mass

• Energy per unit mass

• Temperature per unit mass

What is calorific value used for determining?

• Fuel efficiency

• Temperature

• Pressure

What are common units used to measure calorific value?

• Joules per gram

• Kilojoules per kilogram

• Calories per ounce

• Watts per liter

How can the calorific value of a substance be accurately measured?

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It is a crucial parameter used in various industries to determine the energy content of fuels..

What is calorific value?

• The amount of heat absorbed during combustion

• The amount of heat released during combustion

• The amount of light emitted during combustion

• The amount of sound produced during combustion

What are common units for expressing calorific value?

• Joules per gram

• Kilojoules per kilogram

• Calories per ounce

• Watts per second