Quiz Notes Flashcards
What are the filler strands and what percentage of pressure do the absorb
Fibers that are woven around the hose absorb 75%
What are the three basic components of hose
Hose jacket, hose liner , couplings
All hose is designed to twist to what direction
Right as it elongates to tighten the couplings
Major disadvantage for cotton hose jacket
Organic material must be hung and dried after every use
Synthetic hose jacket can be constructed of materials like
Dacron, polyester and nylon
Six markings found on hose
Manufacturer name,manufacture date, service test pressure, SDFD, unit number, meets NFPA 1962
Advantage of thermal plastic lined hose
Lighter and more puncture resistant
What is vulcanization
Utilizes heat, steam, and pressure to permanently bond the liner to the hose
What type of threads are utilized on SDFD
National standard thread
What are the four markings on couplings
Manufacturer name or trademark, inventory number on female, SDFD on the barcode on Male, higby indicator
How many feet can be removed from a hose and still remain in service
10 feet
How much does the izone pack weigh
47lbs
How many feet of high-pressure hose is carried on specific engines
400 ft
Alternate name for Flatload
Bacon load
Average life of firehose
Seven years
Average life expectancy of firehose
12 to 15 years
Three types of damage to firehose
Mechanical, chemical and heat
Hose is rotated as a operational requirement when
Quarterly
Acceptance pressure for the triple jacket hose
1200 psi
Who performs hose testing
Personal from Station 20 at fire station 19
How much PSI is required for a fog nozzle to function properly
100 psi
How many Gpms from a 3/8” wildland tip
30 gpm @ 50 psi
When using a smoothbore nozzle what is the max diameter that can be used as a hand line
1 1/8”
A fitting which has a female end that is smaller than the male end
Increaser
1 3/4 50 ft
23 lbs
2 1/2
32 lbs
4 100 ft
86 lbs
Elkhart tip
7/8” slug tip
75 psi
50 psi
Compartmentalized fires use
2 1/2” hosepacks with 1/8” smooth bore tip
I zones thieves every
200 ft
20 stories for
Triple jacket hose
Oos roll=
Male out
Sdfd uses rubber jacket hose for hose reel
Booster line
1 3/4” hose double, 50 ft…
23 lbs
650 ft total of
1 3/4” hose
450 ft in pre connects
100 ft in each hose pack
Water expands hose
10%
Single donut roll
Suction bypass
Hard suction hose
Used to draft water from a static source
Sizes 2 1/2” to 6 “‘in diameter and 10’ in length
Carried on some type 3 engines
Hose packs!!! And other notes!!!
See other…
2 cross lay
150’ with 95-200 gpm fog
1 cross lay 100’
With 30-125 gpm
Cross lay #3
200’ with 95-200 gpm
Nozzles are designed to operate at a specific pressure usually
50, 75, 80 or 100 psi
Fire hose test pressure
See other
Stacked tips
See other
Graphite powder
Dry lunricating powder, applied to coupling swivels fittings nozzles, preferred because it does not attract dust.
