Test BOOK 2 SAPSP- kol 2

Electricity can be considered a fuel as it produces electrical fires which start from ................ devices.

• plastic

• metal

• electrical

It is important for firefighters to know what kind of ... are burning so that they can use the appropriate measures to extinguish the fire.

• alloys

• metals

• fuels

Fire ... are not only used by firefighters but they are also used in homes and businesses by other people.

• extinguishers

• agents

• streams

Some ... systems activate automatically, while others require a person to activate them.

• distributing

• sprinkler

• valve

 A ... system is good for industrial settings because it distributes a large amount of water.

• wet pipe

• dry pipe

• deluge

 ... hydrants are usually installed in places where the temperatures reach freezing levels.

• Dry barrel

• Water hammer

• Wet barrel

 ... hydrants are usually installed in places where the temperature stays above freezing, even in the winter.

• Dry barrel

• Water hammer

• Wet barrel

A ... is what ensures that there is no backflow of water.

• check valve

• plug

• gate valve

The crosspiece at the top of a ladder is called the ... .

• beam

• tip

• cleat

 A(n) ... ladder has a boom that can allow a basket to swing over an obstacle, such as a fence or a wall.

• tower

• articulating boom

• aerial