Exam 11 Flashcards
Book #6 one gallon of water is equal to _____ cubic inches
231 cubic inches
Book #6, momentary nozzle reaction is ____ percent greater than nozzle reaction?
20%
Book #6, a stream is considered an effective stream if ___ of the stream falls within a 15 inch circle.
9/10 th
Book #6, a stream is considered an effective stream if ____ of the stream falls within a 10 inch circle.
3/4th
An uphill grade of ___% will have the back pressure of 9 psi.
20%
According to Book #6, we add 5 psi for every floor above the first floor to account for back pressure. What equation is used to determine 5 psi?
P=.434(H)
Vol 2 4/2 Hydrants, The outlets on fire hydrants conform to _____ specifications.
National standard threads
A hydrant that is half black half white on a department map is a ____
4” single or built up hydrant
A hydrant with a square symbol on a department amp is a ____
Private hydrant
Station Commanders shall determine the hydrants with a static pressure _____ and have tops painted red. Initial painting of tops shall be done by station members.
over 200 psi
Hydrants reflectors shall be used in the following areas
In hill side are of the city
when obstructed from view
mid block hydrant locations
The installment and replacement of hydrant reflectors shall be done by
Station personnel
During non emergency situations when a hydrant is found to be inoperative because of damage, obstruction, or is being used illegally, report the situation at once to the ____ by telephone, if the ______ cannot be contacted, make the report to metro.
Hydrant/ Access unit
Unless a different period of time has been specified, hydrants reported out of service, which have not been restored to service within ____ hours, shall be reported to the Construction services- hydrant/access unit and to the BC by telephone.
72 hours
Chief officers or station commanders contemplating training activities requiring large GPM flows will notify the Construction Services - Hydrant Access unit at least ____ hour in advance.
48 hours
A routine test of hydrants shall be made at least once a year. The maximum period of time between test periods shall be 12 months. The time for testing will be determined by _____
Battalion Commander
When testing hydrants indicate with notes on the F70 (Fire Hydrant Test Record) whether the hydrant is OK or what further attention may be necessary, such as;
Any condition that prevents normal and speedy operation
Valve leaking or repacking of stem required
Cap missing
Obstructing vegetation
What is the report of private hydrant?
F-366
What is the Fire Hydrant Record?
F-95
The fire hydrant gate valve is normally found in direct line with the fire hydrant and perpendicular to the curb. A ____ inch diameter cap (usually painted blue) covers the gate valve.
6 inch
Of the 56,000 hydrants in the city, 80% will have the street shut off valve within ___ feet of the hydrant.
15 feet
During hydrant testing, if the valve chatters or if water does not flow before the hydrant stem is operated ____ full turns, close the globe valve and close the hydrant . Report to the Construction Services- Hydrant Access unit by telephone upon return to quarters.
3 full turns
Fire hydrant gate valves may require ____ full turns to complete a shut down.
18-26
Although approx ___% of all fire hydrant gate valves close in a clockwise direction, firefighter must recognize those instances when a counterclockwise rotation is necessary to close the valve.
98%
Subsurface hydrants are normally found on airport property, they may have single or multiple outlets and are covers by heavy steel or cast iron plates. These covers are usually painted ___ for identification.
yellow
2 1/2” _____ valves are connected on top of an existing hydrant and are for the use of other City departments for filling tanks, flushing streets, etc.
Angle
Book 57, The required fire flow for in gallons per minute for Industrial and commercial ares is
6000 to 9000 gym from 4 to 6 fire hydrants flowing simultaneously
Book 57, The required fire flow for in gallons per minutes for low density residential areas is
2000 gpm from 3 adjacent fire hydrants flowing simultaneously
Book 57, The required fire flow for in gallons per minute for High density Residential and Neighborhood Commercial Areas is
4000 gpm from 4 adjacent fire hydrants flowing simultaneously
Book 57, The maximum distance in feet between hydrants on roads and fire lanes in High Density Industrial and Commerical areas is
300
Book 57, The maximum distance in feet between hydrants on the roads and fire lanes in low density residential areas is
600
Book 57, The maximum distance in feet between hydrants on roads and fire lanes in Industrial and Commerical areas is
300
Book 57, The max distance in feet between hydrants on the roads and fire lanes in High density Residential and Neighborhood Commerical areas in
300-450
Book 57, The net land area served per hydrant in square feet in low density residential areas is
150,000
Book 57, The net land area served per hydrant in square feet in Industrial and Commercial areas is
80,000
Book 57, The maximum response distance for an engine company in low density residential areas is
1 1/2 miles
Book 57, The maximum response distance for an engine company in high density industrial and commercial areas is
3/4 miles
Book 57, The maximum response distance for an truck company in low density residential areas is
2 miles
Every first story dwelling unit, first story guest room and all first story portions of any commerical or industrial building must be within ___ feet of an approved fire hydrant.
300
Book 57, Built up type 2 1/2” outlets shall be used in areas having a static water pressure of ___ psi or more.
210
Book 57, Streets with raised median center dividers, excessive traffic loads or more than ___ feet in dedicated width require the installation of hydrants on both sides of the street.
80
Book 57, Buildings equipped with a standpipe system installed in accordance with section 905 shall have a fire hydrant with ____ feet of fire department connections.
100
Book 57, A ____ foot clear space shall be maintained around the circumference of fire hydrants, except as otherwise required or approved.
3
LAFD Accident Report is also known as the F____
F150
LAFD Annual Hose Test Record is also known as the ____
F129
LAFD Reserve Apparatus Condition Inventory Record is also known as the ___
F974
LAFD Hydrant Record is also known as the ___
F95
LAFD Apparatus Assignment Record is also known as the ___
F702
LAFD Injury status form is also known as the ____
F1000
Book #____ is the Accident Prevention and Safety Manual.
Book 75
Book 29, Mains normally run beneath a street and parallel to a curb, can vary from __ to __ inches in size, and are constructed from iron pipe. Mains can be cross connected to form loops that allow shutting down specific main within a distribution system for repairs.
2 to 72 inches
Book 29, Service lines run between a main and a water meter, can vary from ___ inch to ___ inches and are constructed from iron, copper or galvanized pipe.
1/2 in to 12 inches
Book 29, Pressure Reducing Valves are normally used in domestic services to reduce high water pressures to an acceptable level inside a structure. (Dwellings commonly use ___ to ___ psi)
40 to 80 psi
Book 29, if a structure has Dorothy Mae Sprinklers, ____
a separate 2 inch fire service vault is used
Book 29, A shut off valve is normally located adjacent to a detector check value, turning this valve ____ degrees will eliminated the flow of water past this service.
90
Book 29, Portable Monitor, the total weight of the PM is approximately ____ pounds
61 pounds
An automatic drain empties the water from a low point in the monitor piping to prevent freezing and help empty hose lines, The valve is designed to close automatically when the pressure in the monitor exceeds approx ____ psi
5 psi
PM is intended for maximum flows of ____. TFT has allowed the LAFD to flow up to ____ gpm as long as it attached to a loop of loaded 4in supply hose.
800 / 1000
PM, when the nozzle is at an angle of ___ degrees, force acting sideways is equal to force acting downward on the base.
45 degrees
PM, At an angle of ___ degrees, approx ___% of the nozzle reaction force is acting sideways on the base.
35 degrees / 82%
PM, Leg spikes must be sharp to provide resistance to sliding, Replace any spike if the tip diameter exceeds ____ inches
1/16 th
PM, For deployment, select a site that has suitable anchor points or has room to deploy a ____ foot diameter loop of hose.
10
PM, a tie down strap is provided to secure the PM to an anchor point or to a loop of hose, the strap is made of nylon webbing and is ____ feet in length.
8 feet
PM, to lubricate the worm gear on the PM, turn the elevation hand wheel to move the nozzle to ___ and pump grease into the fitting in the worm gear housing until excessive appears.
its highest location
TB130, The Akron ___ will replace the Akron 1496 that is currently issued to all truck companies.
1495
TB130, Members are prohibited from using the ___ tip or flowing ____ gpm on sea grave ladder trucks.
2” / 1000 gpm
TB130, Which component was assigned to random trucks in the city?
Akron Turbo Master Spray Nozzle
Book # ____ is the Los Angeles Fire Code.
Book 57
Book # ___ is the Tactical Alert Operation Manual.
Book 92
Book # ____ is where the Departmental Bulletins are found.
Book 24
Book 8, Every authorized emergency vehicle shall be equipped with at least one steady burning red warning lamp visible from at least ____ to the front of the vehicle to be used as provided in this code.
1000 feet
Book 8, the first vehicle responding to an incident in a convoy shall ___ for all red lights and stop signs.
Stop
Book 8, the remaining vehicles in response convoy shall ____ at all red lights and stop signs.
slow down and proceed with caution
Book 8, when responding through intersections controlled by a traffic officer, drivers shall _____
Be guided by officers instructions
Book 8, Emergency vehicles always have the right of way.
False
