Ch.16 Flashcards
Most telescoping water systems are capable of flows up to ____ gpm?
1000 gpm
Three way valve on a fire dept aerial apparatus that directs oil to either stabilizer control valves or aerial device control valves?
Selector valve
Extendable section of ground extension or aerial ladder also known as Fly?
Fly section
Electric power cords recommended lengths shouldn’t exceed ____ feet per reel or cord?
200 feet
Elevating platforms 110 feet or shorter should be able to be raised from bedded position to the maximum elevation and extension, rotate 90 degrees in ____ seconds or less?
150 seconds or less
Nfpa 1901 groups aerial devices into 3 basic categories ?
Aerial ladders
Elevating platforms
Water towers
Standard articulating aerial platforms range in height form ___ to ___ feet?
55 to 85 feet
Common sizes of telescoping aerial platforms in North America range from ___ to ___ feet?
75 to 100 feet
The water delivery system must be capable of discharging discharging Atleast ____ gpm at ___ psi nozzle pressure when the aerial device is in any position?
1000gpm
100 psi
Detachable ladder pipes are typically limited to flows of less than ____ gpm?
750gpm
North American aerial ladders fully extended (working) length ranges from ____ to ____ feet?
50 to 137 feet
The three main portions of an aerial ladder to which firefighters and driver /operators commonly refer are the ______,________ and the ________?
Base rails
Top rails
Rungs
Normal hydraulic pressure is from _____ to _____psi ?
850 to 3000 psi
Common sizes for water tower devices range from ___ to ___ feet , capable of maximum flows ranging from ____ to ___ gpm?
50 to 130 ft
1000 to 5000 gpm
________ _______ starts from the minute companies leave the station and continues throughout the entire incident ?
Loss control
Hydraulic fluid hose must be rated to withstand pressures at least _____ greater then normal operating pressure ?
4 times
_______________ valves prevent unintentional or undesirable motion of the device from its established position?
Counterbalance
The most common aerial ladder platform apparatus in service today is the _____________,____________ with a rear mounted aerial device?
Straight chassis , three axle vehicle
Aerial ladder platforms commonly range in size form ___ to ___ feet ?
85 to 110 feet
Telescoping aerial platform devices have two or more sections and are made of either _______ construction or ________________ construction?
Box beam
Tubular truss beam
_____________ generally operate on large shear ball type bearings?
Turntables
There are two types of pre piped waterway systems ?
Bed ladder systems
Telescoping waterway systems
What is the most common pre piped aerial ladder water way system?
Telescoping waterways