Exam 12 Flashcards
TB 62, this hose is of a ____ jacket construction utilizing nitrile rubber impregnated synthetic yard as the cord material. It comes in 50 foot lengths with ____ couplings and is ribbed to reduce wear and increase grip.
single / 1 1/2”
The hose can be bent to within ___ inches before it will kink.
12 inches
Primary objective of a company assigned to attack the fire is to ___
get one line into operation
When assembling the pack, the single layer method produces a pack ___ inches taller than the double layer method.
8 inches
When assembling the pack, place the female coupling of the first section of hose about ___ inches below the gauge of the bottle.
10 inches
When complete the packs will weigh ____ pounds.
38 pounds
If you attempt to supply the hose pack form a 1 1/2” line, the FL alone would be approximate ___ psi.
130 psi
TB 62, if the dry standpipe is in the stairwell, _____.
Attach the elbow and gated wye directly to the outlet.
TB 62, The size of the orifice plate is determined by ____ an outlet.
the static pressure on the supply side
It is important to remember that the orifice plate does not regulate _____, it restricts ___.
Pressure / flow
Where would not find an orifice plate?
Soldered to the 2 1/2” female coupling
TB 62, On Class III, above the ___ floor, will hose cabinets for our use.
4th
TB 62, Orifice plates give us
200 gpm at a minimum of 50 psi residual pressure
TB 62, service test pressure for this hose is ___ psi
300 psi
Which core valve states “embracing diversity and recognizing individual worth”?
Respect
