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Engineers Test Exam 11 > Exam 11 > Flashcards

Exam 11 Flashcards

1
Q

Book #6 one gallon of water is equal to _____ cubic inches

A

231 cubic inches

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2
Q

Book #6, momentary nozzle reaction is ____ percent greater than nozzle reaction?

A

20%

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3
Q

Book #6, a stream is considered an effective stream if ___ of the stream falls within a 15 inch circle.

A

9/10 th

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4
Q

Book #6, a stream is considered an effective stream if ____ of the stream falls within a 10 inch circle.

A

3/4th

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5
Q

An uphill grade of ___% will have the back pressure of 9 psi.

A

20%

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6
Q

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?

A

P=.434(H)

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7
Q

Vol 2 4/2 Hydrants, The outlets on fire hydrants conform to _____ specifications.

A

National standard threads

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8
Q

A hydrant that is half black half white on a department map is a ____

A

4” single or built up hydrant

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9
Q

A hydrant with a square symbol on a department amp is a ____

A

Private hydrant

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10
Q

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.

A

over 200 psi

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11
Q

Hydrants reflectors shall be used in the following areas

A

In hill side are of the city
when obstructed from view
mid block hydrant locations

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12
Q

The installment and replacement of hydrant reflectors shall be done by

A

Station personnel

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13
Q

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.

A

Hydrant/ Access unit

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14
Q

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.

A

72 hours

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15
Q

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.

A

48 hours

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16
Q

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 _____

A

Battalion Commander

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17
Q

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;

A

Any condition that prevents normal and speedy operation
Valve leaking or repacking of stem required
Cap missing
Obstructing vegetation

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18
Q

What is the report of private hydrant?

A

F-366

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19
Q

What is the Fire Hydrant Record?

A

F-95

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20
Q

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.

A

6 inch

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21
Q

Of the 56,000 hydrants in the city, 80% will have the street shut off valve within ___ feet of the hydrant.

A

15 feet

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22
Q

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.

A

3 full turns

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23
Q

Fire hydrant gate valves may require ____ full turns to complete a shut down.

A

18-26

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24
Q

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.

A

98%

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25
Q

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.

A

yellow

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26
Q

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.

A

Angle

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27
Q

Book 57, The required fire flow for in gallons per minute for Industrial and commercial ares is

A

6000 to 9000 gym from 4 to 6 fire hydrants flowing simultaneously

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28
Q

Book 57, The required fire flow for in gallons per minutes for low density residential areas is

A

2000 gpm from 3 adjacent fire hydrants flowing simultaneously

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29
Q

Book 57, The required fire flow for in gallons per minute for High density Residential and Neighborhood Commercial Areas is

A

4000 gpm from 4 adjacent fire hydrants flowing simultaneously

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30
Q

Book 57, The maximum distance in feet between hydrants on roads and fire lanes in High Density Industrial and Commerical areas is

A

300

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31
Q

Book 57, The maximum distance in feet between hydrants on the roads and fire lanes in low density residential areas is

A

600

32
Q

Book 57, The maximum distance in feet between hydrants on roads and fire lanes in Industrial and Commerical areas is

A

300

33
Q

Book 57, The max distance in feet between hydrants on the roads and fire lanes in High density Residential and Neighborhood Commerical areas in

A

300-450

34
Q

Book 57, The net land area served per hydrant in square feet in low density residential areas is

A

150,000

35
Q

Book 57, The net land area served per hydrant in square feet in Industrial and Commercial areas is

A

80,000

36
Q

Book 57, The maximum response distance for an engine company in low density residential areas is

A

1 1/2 miles

37
Q

Book 57, The maximum response distance for an engine company in high density industrial and commercial areas is

A

3/4 miles

38
Q

Book 57, The maximum response distance for an truck company in low density residential areas is

A

2 miles

39
Q

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.

A

300

40
Q

Book 57, Built up type 2 1/2” outlets shall be used in areas having a static water pressure of ___ psi or more.

A

210

41
Q

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.

A

80

42
Q

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.

A

100

43
Q

Book 57, A ____ foot clear space shall be maintained around the circumference of fire hydrants, except as otherwise required or approved.

A

3

44
Q

LAFD Accident Report is also known as the F____

A

F150

45
Q

LAFD Annual Hose Test Record is also known as the ____

A

F129

46
Q

LAFD Reserve Apparatus Condition Inventory Record is also known as the ___

A

F974

47
Q

LAFD Hydrant Record is also known as the ___

A

F95

48
Q

LAFD Apparatus Assignment Record is also known as the ___

A

F702

49
Q

LAFD Injury status form is also known as the ____

A

F1000

50
Q

Book #____ is the Accident Prevention and Safety Manual.

A

Book 75

51
Q

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.

A

2 to 72 inches

52
Q

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.

A

1/2 in to 12 inches

53
Q

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)

A

40 to 80 psi

54
Q

Book 29, if a structure has Dorothy Mae Sprinklers, ____

A

a separate 2 inch fire service vault is used

55
Q

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.

A

90

56
Q

Book 29, Portable Monitor, the total weight of the PM is approximately ____ pounds

A

61 pounds

57
Q

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

A

5 psi

58
Q

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.

A

800 / 1000

59
Q

PM, when the nozzle is at an angle of ___ degrees, force acting sideways is equal to force acting downward on the base.

A

45 degrees

60
Q

PM, At an angle of ___ degrees, approx ___% of the nozzle reaction force is acting sideways on the base.

A

35 degrees / 82%

61
Q

PM, Leg spikes must be sharp to provide resistance to sliding, Replace any spike if the tip diameter exceeds ____ inches

A

1/16 th

62
Q

PM, For deployment, select a site that has suitable anchor points or has room to deploy a ____ foot diameter loop of hose.

A

10

63
Q

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.

A

8 feet

64
Q

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.

A

its highest location

65
Q

TB130, The Akron ___ will replace the Akron 1496 that is currently issued to all truck companies.

A

1495

66
Q

TB130, Members are prohibited from using the ___ tip or flowing ____ gpm on sea grave ladder trucks.

A

2” / 1000 gpm

67
Q

TB130, Which component was assigned to random trucks in the city?

A

Akron Turbo Master Spray Nozzle

68
Q

Book # ____ is the Los Angeles Fire Code.

A

Book 57

69
Q

Book # ___ is the Tactical Alert Operation Manual.

A

Book 92

70
Q

Book # ____ is where the Departmental Bulletins are found.

A

Book 24

71
Q

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.

A

1000 feet

72
Q

Book 8, the first vehicle responding to an incident in a convoy shall ___ for all red lights and stop signs.

A

Stop

73
Q

Book 8, the remaining vehicles in response convoy shall ____ at all red lights and stop signs.

A

slow down and proceed with caution

74
Q

Book 8, when responding through intersections controlled by a traffic officer, drivers shall _____

A

Be guided by officers instructions

75
Q

Book 8, Emergency vehicles always have the right of way.

A

False

Engineers Test Exam 11 (11 decks)

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