7.2 COMBUSTION

7.2 COMBUSTION

by KASMAWATI Moe

Multiple Choice

The condition which are required for combustion to take place are:

• fuel
• ignition temperature
• oxygen
• all of these

Multiple Choice

Another term for burning is

• Fire triangle
• Magnesium oxide
• Combustion
• Bustion

Multiple Choice

What is produced when combustable substance is in the vapour state and burn strongly in the presence of of air?

• heat 
• light
• flame
• fumes

Multiple Choice

Which is not combustible substance

• Wood
• Cow dung cake
• stone
• paper

Multiple Choice

Water is not used to control fires involving electrical appliances.

• False
• True

Multiple Choice

Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?

• Water
• Carbon Dioxide 
• Dry Chemical
• Foam

Multiple Choice

What is NOT product of complete combustion?

• carbon dioxide

• water

• carbon monoxide

• water

Multiple Choice

Which of these isn't in the fire triangle?

• Fuel
• Heat
• Oxygen
• Carbon dioxide

Multiple Choice

Is combustion a reversible reaction?

• Yes.
• No.

Multiple Choice

Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?

• Water
• Carbon Dioxide 
• Dry Chemical
• Foam

Multiple Choice

What part of the fire triangle do you remove by spraying water onto a fire?

• Heat
• Oxygen
• Fuel

Multiple Choice

What is essential for a combustion reaction to begin?

• Carbon dioxide
• Fuel 
• Fuel, oxygen and heat
• Water and oxygen

Multiple Choice

What kind of energy conversion does a combustion reaction involve?

• Kinetic to Potential Energy
• Chemical Potential Energy to Kinetic or Thermal Energy
• Potential Energy to Nuclear Energy
• Mass to Energy

Multiple Choice

Combustion always results as flames

• True

• False

Multiple Choice

What is the most common fire extinguisher

• Petroleum

• LPG

• Water

Multiple Select

Name combustible substances

• Coal

• Water

• Wood

• Sand

Multiple Select

What are the three essential requirements for combustion

• Fuel

• Supply of oxygen

• Water

• Heat