Chapter 10 Flashcards
What should the company officer check in hose cabinets during an inspection?
They should check that they are free of trash and debris.
What signs of deterioration should be checked on the hose?
Water stains, cuts, or abrasions on its surface.
What should be felt between the hose connection and the first fold?
If water has accumulated there, indicating a possible leak.
What is the first step when disconnecting a 1½-inch hose?
Test the valve by opening it to allow water to flow into a bucket.
What should be checked while the hose is disconnected?
The condition of the hose threads and gasket.
What should be checked on the hose nozzle?
Its operation and gasket.
What should be checked on 2½-inch hose connections?
The threads and to connect a pressure gauge for testing.
What should be ensured about the fire department connection (FDC)?
That the threads are undamaged and the inlets are free of debris.
True or False: Firefighters should use single-jacket hose.
False.
What are the main components of an automatic sprinkler system?
Water source, distribution piping, and individual sprinklers.
What is a wet-pipe system?
A system where the piping is constantly full of water under pressure.
What happens to a wet-pipe system in freezing temperatures?
The water can freeze, causing piping to burst and sprinkler linkages to break.
What is a dry-pipe system?
A system filled with air that remains functional during freezing temperatures.
What are the three types of dry sprinkler systems?
- Dry-pipe
- Preaction
- Deluge
What is the function of a dry-pipe system?
Activates water or foam control valve when a sprinkler activates.