Fire Fighters Test ""Soap-Sud"" Spray

The video tutorial explains the composition of foam, which consists of 90% air, 8% water, and a small amount of special powder. It highlights foam's effectiveness in extinguishing fires. A demonstration is set up where petrol is poured and ignited to test foam's extinguishing speed. An incident occurs where a fireman is accidentally sprayed with foam.

What are the main components of foam as described in the video?

• 80% air, 10% water, and some powder

• 90% air, 8% water, and a few pennies of special powder

• 60% air, 30% water, and some powder

• 70% air, 20% water, and a few pennies of special powder

What is the purpose of pouring petrol out of the cans in the demonstration?

• To create a barrier

• To test the foam's effectiveness in extinguishing fires

• To fuel a vehicle

• To clean the area

What is the expected outcome after setting the petrol on fire?

• The foam will not affect the fire

• The fire will burn out naturally

• The foam will extinguish the fire quickly

• The fire will spread uncontrollably

What unfortunate event happened to the fireman during the demonstration?

• He dropped the petrol can

• He got sprayed with the foam

• He was unable to light the fire

• He slipped on the foam

What is the significance of the foam in firefighting as shown in the video?

• It can extinguish almost any fire

• It is a decorative element

• It is used to fuel fires

• It is used for cleaning equipment