4” Hose Tb 55 Flashcards
1
Q
What does single jacket hose consist of?
A
100% synthetic, high tensile reinforced yarn circular-woven in a “twill configuration” to maximize hose flexibility and to eliminate left hand twist
2
Q
How mush does a dry 4” hose weigh?
A
49 lbs per 50’
3
Q
What is the friction factor of 4” hose?
A
100’ 1 line is 11
100’ 2 lines 42
4
Q
How often is 4” hose tested and at what Psi, feet and time?
A
Annually 250 psi, 300’, 5min
5
Q
How to drive over hose
A
45 degrees never over couplings
6
Q
Stamping hose
A
6” from each side 1 1/2” stencil station number
7
Q
Form for annual hose testing
A
F129
