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DE STUDY > Chapter 16 > Flashcards

Chapter 16 Flashcards

1
Q

1.​Engineering design has proven that aerial ladder trusses lend more strength if assembled members form: (543)
​A.​squares.
​B.​triangles.
​C.​octagons.
​D.​hexagons.

A

​B.​triangles.

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2
Q

2.​Which NFPA® standard establishes the number of sections and minimum reach required of an aerial apparatus? (543-544)
​A.​NFPA® 1901
​B.​NFPA® 1911
​C.​NFPA® 1962
​D.​NFPA® 1989

A

​A.​NFPA® 1901

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3
Q

3.​Which is one of the three main portions of an aerial ladder to which firefighters and driver/operators commonly refer? (544)
​A.​Rungs
​B.​Foot pad
​C.​Pail shelf
​D.​Holster top

A

​A.​Rungs

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4
Q

4.​The function of the hydraulic system is to provide power for operating the various hydraulic components needed to: (546)
​A.​operate the electrical system and turn on the engine.
​B.​stabilize the apparatus and operate the aerial device.
​C.​power ventilation equipment and raise ground ladders.
​D.​operate the engine and activate the emergency brakes.

A

​B.​stabilize the apparatus and operate the aerial device.

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5
Q

5.​Which hydraulic system component transforms power into mechanical force? (546)
​A.​Actuator
​B.​Rotary gear
​C.​Hydraulic fluid
​D.​Hydraulic pump

A

​A.​Actuator

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6
Q

6.​Which type of valve limits the pressure built up in the hydraulic system, thus preventing damage due to overpressurization? (549)
​A.​Stack valve
​B.​Relief valve
​C.​Check valve
​D.​Selector valve

A

​B.​Relief valve

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7
Q

7.​Which is a three-way valve that directs fluid to either the stabilizer control valves or the aerial device control valves? (549)
​A.​Stack valve
​B.​Relief valve
​C.​Check valve
​D.​Selector valve

A

​D.​Selector valve

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8
Q

8.​Which component converts energy into linear mechanical force or motion when pressurized hydraulic oil is directed into a chamber created by fitting a piston into a cylindrical barrel? (549)
​A.​Hydraulic pump
​B.​Hydraulic motors
​C.​Hydraulic cylinders
​D.​Hydraulic reservoir

A

​C.​Hydraulic cylinders

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9
Q

9.​Which type of cylinders has the function of elevating the aerial device from its stowed position? (550)
​A.​Locking cylinders
​B.​Hoisting cylinders
​C.​Stabilizer cylinders
​D.​Double acting cylinders

A

​B.​Hoisting cylinders

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10
Q

10.​The working height for aerial ladders is measured from the: (552)
​A.​lowest ladder rung to the highest rung with the ladder at maximum elevation and extension.
​B.​ground to the highest ladder rung with the ladder at maximum elevation and extension.
​C.​base of the turntable to the highest rung with the ladder at maximum elevation and extension.
​D.​ground to the lowest ladder rung with the ladder at half of the maximum elevation and extension.

A

​B.​ground to the highest ladder rung with the ladder at maximum elevation and extension.

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11
Q

11.​What is a main use for aerial ladders? (552)
​A.​Powering scene lighting and extrication tools
​B.​Providing continuous rotation on a horizontal plane
​C.​Providing an emergency escape route for firefighters
​D.​Gaining access to upper levels of an emergency scene

A

D.​Gaining access to upper levels of an emergency scene

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12
Q

12.​Which apparatus is MOST likely to be equipped with steerable rear wheels on the trailer? (553)
​A.​Quints
​B.​Trailer-mounted fire pumps
​C.​Mobile water supply apparatus
​D.​Tractor-drawn aerial apparatus

A

​D.​Tractor-drawn aerial apparatus

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13
Q

13.​What is required so that the elevating platform’s position is horizontal to the ground at all times? (556)
​A.​Kickplate
​B.​Platform rail
​C.​Leveling system
​D.​Fog curtain nozzle

A

​C.​Leveling system

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14
Q

14.​Where are the two operator control stations that are required on all elevating platforms located? (556)
​A.​On opposite sides of the platform
​B.​One on the turntable and one in the cab
​C.​One on the street-level and one in the platform
​D.​One on the street-level and one at the fire station

A

​C.​One on the street-level and one in the platform

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15
Q

15.​NFPA® 1901 requires a protective water fog curtain nozzle to be provided on the bottom of an elevated platform that can be operated to: (557)
​A.​provide assistance to the elevated master stream in intense fire situations.
​B.​provide an additional barrier when the platform is exposed to high levels of heat.
​C.​assist breathing air systems by washing away smoke and debris in the surrounding air.
​D.​take care of minor fires from an elevated angle without activating the master stream.

A

​B.​provide an additional barrier when the platform is exposed to high levels of heat.

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16
Q

16.​The primary difference between aerial ladder platforms and telescoping aerial platforms is: (558)
​A.​telescoping aerial platforms are connected by a hinge.
​B.​telescoping aerial platforms are not intended for climbing.
​C.​telescoping aerial platforms have a nozzle located inside the platform.
​D.​telescoping aerial platforms can only be controlled from the platform.

A

​B.​telescoping aerial platforms are not intended for climbing.

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17
Q

17.​An articulating aerial platform’s ability to go “up and over” into areas that are not accessible with a straight line apparatus is MOST helpful in: (559)
​A.​forcible entry.
​B.​rescue operations.
​C.​salvage and overhaul.
​D.​ventilation operations.

A

​B.​rescue operations.

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18
Q

18.​ What is the primary function of a water tower? (560)
​A.​To deploy elevated master streams
​B.​To provide rotation of the aerial ladder
​C.​To gain access to upper levels of an emergency scene
​D.​To provide power to scene lighting and extrication tools

A

​A.​To deploy elevated master streams

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19
Q

19.​Movement for the water tower and control of the fire stream are controlled from the: (560)
​A.​fire station.
​B.​aerial device.
​C.​ground level.
​D.​nearby control tower.

A

​C.​ground level.

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20
Q

20.​Though historically some manufacturers of telescoping water towers have equipped them with ladders, they are recommended to be used only as emergency escape routes because the affixed ladder: (560)
​A.​must meet the requirements of NFPA® 1901 to be truly considered an aerial ladder.
​B.​is built to handle regular use and is only meant to be an emergency escape route.
​C.​rarely has enough space to have multiple personnel work safely and comfortably.
​D.​has not been put through the same rigorous quality tests that the rest of the device has.

A

​A.​must meet the requirements of NFPA® 1901 to be truly considered an aerial ladder.

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21
Q

21.​What is one of the five features NFPA® 1901 establishes an apparatus must have to qualify as a quint? (560-561)
​A.​Fire pump
​B.​Water tower
​C.​Piercing nozzle
​D.​Communication system

A

​A.​Fire pump

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22
Q

22.​A quint apparatus may be operated as: (561)
​A.​a ladder company.
​B.​an engine company.
​C.​neither a ladder company nor an engine company
​D.​either a ladder company, an engine company, or both.

A

​D.​either a ladder company, an engine company, or both.

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23
Q

23.​Why do many fire departments prefer to use quints? (562)
​A.​Quints are capable of supplying their own elevated master streams.
​B.​Quints are more affordable and require much less maintenance than other apparatus.
​C.​Quints are configured so that driver/operator training can be done in minimal time.
​D.​Quints are specifically designed to withstand extreme climates and inclement weather.

A

​A.​Quints are capable of supplying their own elevated master streams.

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24
Q

24.​Which component allows sections of the aerial device to extend and retract without causing excessive wear on parts of the device that come into contact with each other? (562)
​A.​Cable systems
​B.​Slide and rollers
​C.​Hydraulic systems
​D.​Chains and pulleys

A

​B.​Slide and rollers

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25
Q

25.​Which feature of a turntable should be checked periodically for wear based upon the manufacturer’s torque specifications? (563)
​A.​Turntable base
​B.​Turntable chassis
​C.​Turntable bearings
​D.​Turntable bearing bolts

A

D.​Turntable bearing bolts

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26
Q

26.​In addition to a control pedestal on the turntable, NFPA® 1901 also requires a control station: (564)
​A.​in the platform.
​B.​at the fire station.
​C.​on a completely separate vehicle.
​D.​as a remote control device that can be carried.

A

​A.​in the platform.

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27
Q

27.​Which interlock device prevents the aerial device from moving into regions where it could make contact with the body or cab? (566)
​A.​Cab interlock
​B.​Rotation interlock
​C.​Nozzle stow interlock
​D.​Body collision interlock

A

​D.​Body collision interlock

28
Q

28.​Which interlock device prevents the cab from rising if the engine is running? (566)
​A.​Cab interlock
​B.​Rotation interlock
​C.​Nozzle stow interlock
​D.​Body collision interlock

A

​A.​Cab interlock

29
Q

29.​Bed ladder systems are mostly found on: (567)
​A.​older aerial devices.
​B.​newer aerial devices.
​C.​aerial devices manufactured in Europe.
​D.​aerial devices manufactured by certain manufacturers.

A

​A.​older aerial devices.

30
Q

30.​If water pressure is applied when the master stream monitor is not securely anchored, the: (569)
​A.​water pressure will likely bend pipes out of shape.
​B. ​pin will significantly reduce water flow to the master stream.
​C.​monitor will not be able to function properly and may suffer severe damage from the water pressure.
​D.​pressure will cause the waterway to extend rapidly on its own and pipe sections and the monitor may be launched through the air.

A

​D.​pressure will cause the waterway to extend rapidly on its own and pipe sections and the monitor may be launched through the air.

31
Q

31.​When securing a detachable ladder pipe system on an aerial ladder, the hose should be run directly up the center of the ladder rungs because: (569-570)
​A.​not centering the hose on the ladder often causes a loss in water pressure.
​B.​not centering the hose on the ladder causes unnecessary stress on the hoseline.
​C.​placing the hose on either side of the center makes controlling the direction of the flow more difficult.
​D.​placing the hose on either side of the center causes unnecessary torsional stress on the ladder.

A

​D.​placing the hose on either side of the center causes unnecessary torsional stress on the ladder.

32
Q

32.​When it is necessary to place a firefighter at the end of the aerial device during elevated master stream operations, the elevating platform is safer and has: (571)
​A.​more reach than the aerial ladder.
​B.​less load capacity than the aerial ladder.
​C.​less working room than the aerial ladder.
​D.​more working room than the aerial ladder.

A

​D.​more working room than the aerial ladder.

33
Q

33.​Which option may water tower systems may be equipped with that enhances water tower use under special conditions? (572)
​A.​Aerial ladder
​B.​Video camera
​C.​Elevated platform
​D.​Detachable pipe system

A

​B.​Video camera

34
Q

34.​Voice communication systems in the aerial device are used to: (572)
​A.​relay messages between different crews on the emergency scene.
​B.​permit firefighters at the tip of the aerial device to communicate directly with the fire station.
​C.​record the observations of the firefighters at the tip of the aerial device for SOP development.
​D.​permit firefighters at the tip of the aerial device to communicate with the driver/operator at the aerial operator position.

A

​D.​permit firefighters at the tip of the aerial device to communicate with the driver/operator at the aerial operator position.

35
Q

35.​Which of the following NFPA® standards now requires a two-way communication system on all aerial device apparatus? (573)
​A.​NFPA® 1901
​B.​NFPA® 1911
​C.​NFPA® 1962
​D.​NFPA® 1989

A

​A.​NFPA® 1901

36
Q

36.​What do fixed breathing air systems allow firefighters to do while working at the tip of the aerial device? (573)
​A.​Breathe clean air with full SCBA on
​B.​Breathe clean air without the need to don SCBA
​C.​Refill SCBA cylinders without having to dismount
​D.​Create an additional barrier in high levels of heat

A

​B.​Breathe clean air without the need to don SCBA

37
Q

37.​If breathing air systems are installed on aerial devices with elevating platforms, NFPA® 1901 establishes requirements for: (573)
​A.​Heat protection shield
​B.​Low air warning alarms
​C.​Dimensions of the piping system
​D.​Location of the system on the aerial device

A

​B.​Low air warning alarms

38
Q

38.​Which standard establishes requirements for the quality of air in breathing air systems? (573)
​A.​NFPA® 1901
​B.​NFPA® 1911
​C.​NFPA® 1962
​D.​NFPA® 1989

A

​D.​NFPA® 1989

39
Q

39.​Which standard establishes the requirements for annual testing of the breathing air system and the quality of the stored air? (573)
​A.​NFPA® 1901
​B.​NFPA® 1911
​C.​NFPA® 1962
​D.​NFPA® 1989

A

​B.​NFPA® 1911

40
Q

40.​Which factor is a consideration when properly outfitting an apparatus with a portable electric generator? (574)
​A.​Color
​B.​Terrain
​C.​Physical size
​D.​Frequency of use

A

​C.​Physical size

41
Q

41.​In addition to providing power for portable equipment, vehicle-mounted generators are responsible for providing power for the: (574)
​A.​aerial ladder.
​B.​hydraulic system.
​C.​elevating platform.
​D.​apparatus floodlight system.

A

​D.​apparatus floodlight system.

42
Q

42.​Portable lights are used where fixed lights are not able to reach or: (575)
​A.​when softer lighting is needed.
​B.​when additional lighting is necessary.
​C.​where stable, unmoving lights are needed.
​D.​where firefighters are not available to operate lighting.

A

​B.​when additional lighting is necessary.

43
Q

43.​Driver/operators should examine electrical cords daily: (576)
​A.​to ensure each cord is properly labeled.
​B.​for damage to insulation and connections.
​C.​to ensure that the sockets of the cord have been capped.
​D.​and mark the cords with permanent marker as inspected.

A

​B.​for damage to insulation and connections.

44
Q

44.​Junction boxes are used at emergency scenes when: (576)
​A.​a single connection is needed.
​B.​multiple connections are needed.
​C.​equipment needs to be interchanged.
​D.​equipment has different types of receptacles.

A

​B.​multiple connections are needed.

45
Q

45.​Adaptors should be carried so that firefighters can: (576-577)
​A.​provide power to portable lighting.
​B.​make multiple connections to a power source.
​C.​ensure electrical cords are not damaged before use.
​D.​plug their equipment into standard electrical outlets.

A

​D.​plug their equipment into standard electrical outlets.

46
Q

46.​Hose distances of ___ or greater from the hydraulic pump may have a negative effect on hydraulic tool operation. (577)
​A.​10 feet (3 m)
​B.​25 feet (7.5 m)
​C.​50 feet (15 m)
​D.​100 feet (30 m)

A

D.​100 feet (30 m)

47
Q

47.​Which function has historically been assigned to the aerial apparatus crew? (577)
​A.​Water rescue
​B.​Haz mat response
​C.​Search and rescue
​D.​Vehicle extrication

A

​C.​Search and rescue

48
Q

48.​What must driver/operators know about the ground ladders found on the aerial apparatus? (578)
​A.​The ladder’s exact serial number
​B.​Manufacturer’s preservice test procedures
​C.​Procedures for repairing damaged ground ladders
​D.​Procedures for inspecting, testing, and maintaining ground ladders

A

​D.​Procedures for inspecting, testing, and maintaining ground ladders

49
Q

49.​The two common types of ventilation equipment used to supplement the natural flow of heat, smoke, and gases from a fire building are exhaust fans and: (579)
​A.​water vacuums.
​B.​positive-pressure blowers.
​C.​negative-pressure blowers.
​D.​atmospheric monitoring equipment.

A

​B.​positive-pressure blowers.

50
Q

50.​In order to assist with salvage and overhaul efforts, NFPA® 1901 requires aerial apparatus to be equipped with: (579)
​A.​roof patching materials and floor squeegees.
​B.​multiple salvage covers and two scoop shovels.
​C.​deodorizing equipment and two portable pumps.
​D.​water vacuums and atmospheric monitoring equipment.

A

​B.​multiple salvage covers and two scoop shovels.

51
Q

51.​Unlike tractor suspension systems, most tiller systems have ___ suspensions that require additional attention during inspections. (581)
​A.​back
​B.​front
​C.​shock
​D.​air bag

A

​D.​air bag

52
Q

52.​Because regular visual and operational inspections of an aerial device are not adequate to ensure the integrity of the aerial device, regular ___ must also occur. (582)
​A.​road tests
​B.​safety tests
​C.​structural testing
​D.​preservice testing

A

​C.​structural testing

53
Q

53.​During a visual inspection of the aerial apparatus, the hydraulic fluid should be checked and filled when the stabilizers and aerial device are all in their stowed positions because: (583)
​A.​if the hydraulic cylinders are deployed, the reservoir level will read lower than normal.
​B.​if the hydraulic cylinders are deployed, the reservoir level will read higher than normal.
​C.​checking the hydraulic fluid while the hydraulic cylinders are deployed may cause the hydraulic cylinders to fail.
​D.​checking the hydraulic fluid while the hydraulic cylinders are deployed may put too much pressure on the hydraulic system.

A

​A.​if the hydraulic cylinders are deployed, the reservoir level will read lower than normal.

54
Q

54.​What is one of the two purposes operational inspections serve? (583)
​A.​To test the limits of the aerial device’s operating capacity
​B.​To allow preservice tests before the apparatus is ever used
​C.​As a review of the aerial device operation for the driver/operator
​D.​As an exam of the aerial device operation for the driver/operator

A

​C.​As a review of the aerial device operation for the driver/operator

55
Q

55.​When is the MOST likely time nondestructive testing will be performed on the aerial apparatus? (586)
​A.​Annually
​B.​Bi-monthly
​C.​After accidents
​D.​After every use

A

​C.​After accidents

56
Q

56.​What is the BEST guarantee that an apparatus will perform within its design limitations? (586)
​A.​An extended warranty from the original manufacturers of the apparatus
​B.​An organized system of apparatus testing and regular maintenance
​C.​An insurance policy that will cover any damage that may occur during operations
​D.​Limiting the number of mutual aid incidents that the apparatus responds to

A

​B.​An organized system of apparatus testing and regular maintenance

57
Q

1.​Which system provides power to operate the various components that stabilize the apparatus and operate the aerial device? (546)
​A.​Cable system
​B.​Hydraulic system
​C.​Bed ladder system
​D.​Water delivery system

A

​B.​Hydraulic system

58
Q

2.​Which is a power-operated ladder that allows firefighters to easily ascend and descend from the tip of the ladder and the turntable for fire rescue operations? (552)
​A.​Aerial ladder
​B.​Ground ladder
​C.​Quintuple fire apparatus
​D.​Telescoping aerial platform

A

​A.​Aerial ladder

59
Q

3.​An elevating platform leveling system is required so that the: (556)
​A.​platform’s position is vertical to the ground at all times.
​B.​platform is more easily accessible for firefighter egress.
​C.​platform’s position is horizontal to the ground at all times.
​D.​platform is able to support more than one rescuer at a time.

A

​C.​platform’s position is horizontal to the ground at all times.

60
Q

4.​Telescoping or articulating aerial devices whose primary function is to deploy elevated master streams are known as: (560)
​A.​quints.
​B.​aerial ladders.
​C.​water towers.
​D.​elevated platforms.

A

​C.​water towers.

61
Q

5.​On most aerial devices, the third, fourth, and fifth (if present) sections of the aerial device are extended by: (562)
​A.​stabilizer cylinders.
​B.​hydraulic cylinders.
​C.​a system of sliders and rollers.
​D.​a system of cables and pulleys.

A

​D.​a system of cables and pulleys.

62
Q

6.​Which is the most common type of pre-piped aerial ladder waterway system? (567)
​A.​Bed ladder waterway system
​B.​Detachable ladder pipe system
​C.​Telescoping waterway system
​D.​Elevating platform waterway system

A

​C.​Telescoping waterway system

63
Q

7.​NFPA® 1901 requires a ___ communication system in all aerial device apparatus. (573)
​A.​one-way
​B.​two-way
​C.​power line
​D.​long-range

A

B.​two-way

64
Q

8.​Fixed breathing air systems allow one or more firefighters operating at the tip of the aerial device to: (573)
​A.​breathe clean air with full SCBA on.
​B.​breathe clean air without the need to don SCBA.
​C.​refill SCBA cylinders without having to dismount.
​D.​create an additional barrier in high levels of heat.

A

​B.​breathe clean air without the need to don SCBA.

65
Q

9.​Which is the MOST likely result of overtaxing generating equipment when operating scene lighting? (576)
​A.​Poor lighting and possible damage to the power-generating unit or light
​B.​Negative effect on the breathing air systems located in the aerial device
​C.​Possible damage to electrical power cords and junction boxes being used
​D.​Overly bright lights that may have negative effects on rescue workers’ vision

A

​A.​Poor lighting and possible damage to the power-generating unit or light

66
Q

10.​Which is a function that crews assigned to aerial apparatus have historically been assigned? (577)
​A.​Ventilation
​B.​Water rescue
​C.​Haz mat response
​D.​Vehicle extrication

A

​A.​Ventilation

67
Q

11.​A driver/operator must be able to perform basic inspection of which of the following? (582)
​A.​Stabilizing systems
​B.​Portable generators
​C.​Fixed lighting systems
​D.​Water delivery systems

A

​A.​Stabilizing systems

DE STUDY (22 decks)

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