Importance of Air

Q.

23 When an object catches fire, you are advised to wrap a woolen blanket around it. Can you explain why? (Hint: Air is needed for burning)

Q.

Which of the following does not help in extinguishing a fire?

1. Water
2. LPG
3. Fire extinguisher
4. Sand

Q. What is the name of the object shown below?

1. Fire engine
2. Cooking oil bottle
3. Fire extinguisher
4. Fire commander

Q.

What will happen if LPG comes in contact with fire?

1. LPG explodes destructively

2. The fire stops burning

3. Foul smell comes

4. All of these

Q. Which of the following does not help in extinguishing a fire?

1. Fire extinguisher
2. Sand
3. Water
4. LPG

Q. The device used to detect fire in building is called

1. Fire extinguisher
2. Smoke detector
3. Fire Sprinklers

Q. All of the following process involves the usage of water except:

1. Washing clothes
2. Bathing
3. Growing plants
4. Lighting of fire

Q.

Is it proved that fire don't has cell in it?

Q. _____ burn in air to provide energy.

1. Fuels
2. Minerals
3. Mountains
4. Water

Q. What is St .Elmo s fire ? Explain it in detail.