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
Book 6 A fire stream has its greatest horizontal range when the angle it makes with the earth is approx ____ degrees.
30 degrees
Book 6 The vertical angle of stream as commonly used is approximately ____ degrees.
75 degrees
Nozzle reaction formula?
1.5 (D) squared x (P)
Book 100, in Class III hose cabinets for our use are found above the _____ floor.
5th
Book 100, orifice plates are calibrated to supply
200 gpm at 45 psi
Book 100, Pressure Regulating Devices are required to proved 80 to 125 psi flowing 300 gpm. FD inspectors are having the PRD set at ___ psi at 300 grim.
100 psi
Book 100, Beginning in ___, new high rise buildings in Los Angeles were required to have on site water supply to supplement the main water supply system.
1974
Book 100, one is minimum ___ diameter pipe adequate to fill the tank in not more than 12 hours form the main water supply system, or after 1983 a ___ pipe to fill it in 8 hours.
2” / 6”
Book 100, Every building ____ or more stories in height shall be provided with not less than one standpipe for use during construction, such standpipe shall be installed when the progress of construction is not more than ____ in height above grade.
6 / 50’
Book 100, The FDC’s are plumbed into the ___ side of the fire pump.
discharge
Book 8, A stated in the new response criteria, the driver of a responding apparatus, when notified through MFC if first company on-scene reporting “nothing showing” shall
Continue through non emergency unless requested otherwise
Book 8, Drivers of responding Chief Officer sedans when informed of units on scene reporting “nothing showing” shall
Continue through as directed by the chief
Book 8, When a engine company and a rescue ambulance respond together to an incident who will determine the continued mode of response?
The first company on scene
Book 8, as stated in the Manual of Operations, apparatus shall be driven with particular emphasis placed on
Defensive driving.
