2 1/2'' Flashcards
Hose Lengths?
50’
Hose construction?
Rubber lined with synthetic double jacket, most outer jackets are made of synthetic weave
Coupling construction?
aluminum alloy
Weight of water within a 50’ section of 2 1/2” hose?
106lbs
Pros of a smooth bore?
- greater penetrating power
- no clogging with debris
- no mistaking stream
- multiple tip size
Reach of the smooth bore and what does it allow the firefighter to do with that reach?
60-70’ and work outside the collapse zone
How many GPM’s can the smooth bore flow?
At least 200gpm
When should a 2 1/2” hose line be used?
Advanced fire conditions
What does an advanced fire condition often preclude?
immediate entry into the fire building
What is often used with a 2 1/2 hand line to control large fires and keep exposure buildings cool?
Master streams
What are the two most common of hose loads for the 2 1/2” in MDFR?
2 ½ Hose Load
Aerial Transverse Compartment
What is another name for “2 ½ Hose Load”
Cardeso load
For the 2 ½ Hose Load, how long should the female coupling be hanging out of the end and should it be pre-connected?
6-12 inches and NO
What do you make after each and ever coupling is loaded on the 2 ½ Hose Load?
A loop big enough to fit a gloved hand
After the hose is loaded in the 2 ½ Hose Load configuration, what should you have approximately every 50’?
A loop