Aotm -equipment Flashcards
According to the AOTM, what is the purpose of double jacketed hose?
To be able to operate at higher working pressures
What is the purpose of the “woof” cords and “warp” cords according to the AOTM.
Woof wrap around and help stop the forces from expanding the hose.
Warp cord run the length and hold the woof cords in place while fighting forces in the elongation of the hose
Dacron is used for woof, cotton for warp
According to the AOTM, how can you ID hose in terms of the identification strip?
2 black, 4 white, 2 red, 4 white, 2 black
According to the AOTM, how long will the rubber used in the hose last from cracking?
7 years
Which hose size according to the AOTM will have chemical hose threads? What type of threads on the rest?
1 inch couplings and nationa standard threads on the rest
According to the AOTM, how is the hose tested?
3’ samples rather than 50’ sections. 600psi and 900psi respectively for minimum working and burst pressures on 1”, 1 1/2” and 2 1/2” on Dacron and cotton jacketed hose
According to the AOTM, what is the acceptance for twist on 1” and 2 1/2” hose and what direction should the twist be?
50 degrees on 1” and 15 degrees on 2 1/2” , all twisting in the direction of tightening the couplings.
According to the AOTM the department has a 5 year manufacturing warranty with the manufacturer and a 5 year replacement program for hose…
True OR false
True
According to the AOTM, who schedules the testing of hose and when and to what pressure?
Division commanders schedule testing annually as workload permits, tested at pressures above 250psi
How does the AOTM describe how air should be evacuated from the hose before pressure is tested?
Hold hose 2 to 3 feet above all other hose with male end attached to shutoff butt in open position
Hose on apparatus should be reloaded at least once every 30 days to change the folds and prevent kinks
True OR false
True
Who can give permission to clean hose with other than cold clean water, according to the AOTM?
Battalion commander at the storeroom
According to the AOTM, when shall wet hose, or hose that has been rained on be changed out?
Within 24 hr period
According to the AOTM, what 2 rules must be adhered to if driving over hose?
Do not run over couplings
Do not apply power to rear wheels as the cross over hose
According to the AOTM, what is the major deficiency linked to members not understanding how to use the 4 way?
The inability to mentally trace the flow of water through the 4way and its lines that are connected to it
