Basic Fire Fighting – Extinguishing Agents

Question 1

Foam extinguishes a fire mainly by ________.

Answer 1

Smothering

Question 2

The success of an indirect attack on a fire depends on the _____________.

Answer 2

Complete containment of the fire

Question 3

An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is ____________.

Answer 3

Water Fog

Question 4

One of the limitations of foam as an extinguishing agent is that foam __________.

Answer 4

Conducts Electricity

Question 5

The disadvantage of using CO2 is that the _____________________.

Answer 5

CO2 does not cool the fire

Question 6

When fighting an oil or gasoline fire in the bilge a solid stream of water should not be used? TRUE or FALSE?

Answer 6

True

Question 7

High-velocity fog extinguishes a fire by absorbing heat and reducing the supply of oxygen. TRUE or FALSE?

Answer 7

True

Question 8

How does foam extinguish an oil fire?

Answer 8

By excluding the oxygen from the fire.

Question 9

The most effective cooling agent among those normally used to fight fires is ___________.

Answer 9

Water Fog or Spray

Question 10

Which extinguishing agent will absorb the most heat?

Answer 10

Water