Aerial 3

Question 1

All aerial apparatus should meet the design requirements of ($$$$$), which was in effect at the time the apparatus was manufactured.

Answer 1

NFPA 1901

Question 2

NFPA 1901

Answer 2

Standard for automotive fire apparatus

Question 3

NFPA 1901 defines an aerial device into three basic categories ($$$), ($$$$$), ($$$$$).

Answer 3

Aerial ladders
Elevating platforms
Water towers

Question 4

($$$$$). General. Term used to describe the hydraulic aerial ladder, elevating platform, or telescoping or articulating booms attached to an automotive fire apparatus that has the means to reach at least 65 feet above ground.

Answer 4

Aerial device

Question 5

($$$$$$) power operated ladder that allows firefighters to easily climb between the tip of the ladder and the turn table for either fire fighting or rescue operations.

Answer 5

Aerial ladder

Question 6

The fully extended length, also referred to as the working height of North American made aerial ladders ranges from ($$$$$)

Answer 6

50 to 135 feet

Question 7

The ($$$$) for aerial ladders is measured from the ground to the highest ladder rung with the ladder at maximum extension and elevation.

Answer 7

Working height

Question 8

($$$$$$) also know as tillered truck. Are equipped with steerable rear wheels on the trailer

Answer 8

Tractor drawn apparatus

Question 9

IFTSA divides the NFPA classification of elevating platform apparatus into three distinct types of aerial devices:

Answer 9

Aerial ladder platforms
Telescoping aerial platforms
Articulating aerial platforms.

Question 10

($$$$$). A 4 inch metal plate that runs around the bottom edge of an elevated platform to prevent the firefighters feet from slipping off the edge of the platform. Also called a kickplate.

Answer 10

Footplate

Question 11

Each platform must have a rail completely enclosing the floor area with no opening under the railing greater than ($$$$$).

Answer 11

24 inches

Question 12

The required minimum floor area of a platform is ($$$$)

Answer 12

14 square feet

Question 13

The platform must have ($$$$$$) gates below the top railing provide for firefighter/ victim access egress.

Answer 13

Two

Question 14

A kickplate is required a floor level and must be ($$$$) high

Answer 14

4 inches

Question 15

As required by NFPA 1901 a protective water fog curtain is also necessary on the bottom of the platform. It is operated by a quick actuating lever, operable by firefighters on the platform floor. It is signed to be operated when the platform is exposed to high levels of heat to provide an additional barrier. NFPA 1901 requires the nozzle to flow at least ($$$$).

Answer 15

75 GPM

Question 16

All elevating platforms must have a mini umm load capacity of ($$$$) when the aerial device is fully extended, at any elevation within its normal range of motion, and with no water in the piping system.

Answer 16

750 pounds

Question 17

The load requirement (elevated platform) drops to ($$$$) when the water delivery system is charged.

Answer 17

500 pounds

Question 18

The water delivery system (elevated platform) must be capable of discharging at least ($$$$$) when the aerial device is in any position.

Answer 18

1000 gpm

Question 19

Elevating platforms that a 110 feet or shorter should be able to be raised from the bedded position to the maximum elevation and extension and be rotated 90 degrees in ($$$$$) or less.

Answer 19

150 seconds

Question 20

There is no time requirement for elevated platforms that taller than ($$$$$)

Answer 20

110 feet

Question 21

The most common aerial platform in service to day is the ($$$$$$$$$$$$$$$).

Answer 21

Straight chassis, three axle vehicle with a rear mounted aerial device.

Question 22

Th working height of all types of elevated platforms is measured with the aerial device at MAXIMUM EXTENSION AND ELEVATION FRO. The ground to the top surface f the highest platform handrail. Aerial ladder platforms commonly range in size from ($$$$) to ($$$$)

Answer 22

85

100 feet

Question 23

Common sizes of the TELESCOPING AERIAL PLATFORMS in North America range from ($$$$$$$$)

Answer 23

75 to 100 feet.

Question 24

Telescoping aerial platforms devices have two or more sections and are made of either ($$$$$) construction or ($$$$$$) construction.

Answer 24

Box beam

Tubular truss

Question 25

($$$$$) construction consists of four sides of steel or aluminum welded together to form a box shape with a hollow center.

Answer 25

Box beam

Question 26

($$$$$$) construction is similar in design to truss construction of aerial ladders. Tubular steel is welded to form a box shape using cantilever and triangle truss design

Answer 26

Tubular truss beam

Question 27

An additional benefit of an articulating aerial platform is that the assembly enables the platform to go "up and over" and into area that are not accessible with straight line apparatus. This ability may be especially useful during rescue operations. Standard articulating aerial platforms range in height from ($$$$$$$$)

Answer 27

55 to 85 feet

Question 28

The term QUINT is derived from the phrase quintuple fire apparatus meaning the an apparatus has five major features or functions. NFPA 1901 establishes features that an apparatus must have in order to qualify as a quint. Criteria for qualification as a quint apparatus is based of the following:

Answer 28

``` Size of the fire pump. Size of the water tank. Amount of supply and attack hose. Array and length of ground ladders. Pre piped waterway on the aerial apparatus. ```

Question 29

($$$$$$). The bottom section of the aerial ladder

Answer 29

Base

Question 30

($$$$$$) second and subsequent sections that extend beyond the base section.

Answer 30

Fly sections

Question 31

($$$$$$$$). The lower chords of the aerial ladder to which the rungs, trusses, and other portions of the ladder are attached; also called beams.

Answer 31

Base rails

Question 32

($$$$$$$) the too chords to which the opposite ends of the trussing are attached; also called handrails.

Answer 32

Rails

Question 33

($$$$$$$) the portions that are attached between the two base rails and used as steps for personnel on the ladder.

Answer 33

Rungs

Question 34

The two most common materials for construction of aerial ladders are ($$$$$) and ($$$$$).

Answer 34

Heat treated aluminum | Steel

Question 35

A hydraulic system has three main components ()$)))$), ($$$$$), and a ($$$$$$$)

Answer 35

Hydraulic fluid Hydraulic pump Hydraulic resivoir

Question 36

Depending on the ,snuffs turner of the aerial device, the pump used for hydraulic system is either a ($$$$$) or ($$$$$$) positive displacement pump.

Answer 36

Rotary vane | Rotary gear

Question 37

Hydraulic fluid is used because it is practically incompressible, and it allows force to be transmitted over relatively large distance with little loss of power. Depending on the manufacturer of the aerial apparatus, the fluid may be under pressure of ($$$$$) or more.

Answer 37

3500 psi

Question 38

Hose must be rated to with stand pressures at least ($$$$$$) great than normal operating pressure.

Answer 38

Four times

Question 39

($$$$$$$). Positive displacement pump that imparts pressure on hydraulic oil within the hydraulic system.

Answer 39

Hydraulic pump

Question 40

($$$$$) prevent fluid from flowing backward through a component and act as a safety feature in the event that a leak develops in the system.

Answer 40

Check valves

Question 41

($$$$$$) limit the pressure built up in the system, thus preventing damage due to over pressurization

Answer 41

Relief valve

Question 42

($$$$$$$$) prevent unintentional or undesirable motion of the device from its established point.

Answer 42

Counter balance valves

Question 43

The ($$$$$$$) is a three way valve that directs fluid to either the stabilizer control valves or the aerial device control valves.

Answer 43

Selector valves

Question 44

Auxiliary pumps are neither designed nor intended to be used for long periods of operation. In fact, they should be operated only for intervals of about ($$$$$$$).

Answer 44

One minute

Question 45

($$$$$$) are sometimes referred to as elevating or lift cylinders.

Answer 45

Hoisting cylinders

Question 46

The end of the piston rod is fitted with a ($$$$$) that is anchored to either the aerial device or to the turntable, depending of the make of the apparatus.

Answer 46

Trunnions.

Question 47

Normal hydraulic pressure is from ($$$$$$$),

Answer 47

850 to 3000 psi

Question 48

($$$$). Valve that controls the flow of hydraulic oil from an aerial apparatus hydraulic system to the hydraulic cylinders.

Answer 48

Actuator valve

Question 49

($$$$$$$). Multi directional valve used to control the flow of hydraulic oil through the hydraulic system.

Answer 49

Monitor valve

Question 50

($$$$$$. Type of multidirectional valve used in a aerial hydraulic system.

Answer 50

Stack valve

Question 51

($$$$$). Hydraulic cylinder capable of transmitting power in either direction.

Answer 51

Double acting valve

Question 52

($$$$$$$). In a hydraulic cylinder, the pivoting end of the piston rod that is connected to the anchor ear by the heel pin.

Answer 52

Trunnion.

Question 53

The extension and retraction cables are usually corrosion resistant ($$$$$$) cables made with very high strength steel., called ($$$$$), and they are resistant to abrasions.

Answer 53

Air craft quality | Plow steel

Question 54

The operators control pedestal usually stands about ($$$$) high and is easily operated by persons of all heights.

Answer 54

3 1/2 feet

Question 55

There are two common pre piped water way systems:

Answer 55

Bed ladder systems | Telescoping waterway systems

Question 56

The lost type of p pipped Arial ladder water way is the ($$$$$$), which is a non telescoping section of pipe, usually 3 to 3 1/2 inches in diameter, attached to the underside of the bed section of the aerial ladder.

Answer 56

Bed ladder pipe

Question 57

Ladders that are ($$$$) or shorter are equipped with a telescoping water system have piping that extends directly to the tip of the fly section.

Answer 57

110 feet

Question 58

Generally the minimum internal diameter of these (telescoping) piping systems is ($$$$$$)

Answer 58

4 inches

Question 59

Most ladders with teachable ladder pipe appliances restrict the sideways movement of the nozzle to about ($$$$) either side of the center.

Answer 59

15 degrees

Question 60

Most ladder pipes should not be operated from an aerial positioned at a ($$$$) angle or vertical e position.

Answer 60

90 degrees

Question 61

If at all possible, place the ladder between ($$$) and ($$$) or ref to the manufacturers recommendations.

Answer 61

70 | 80 degrees.

Question 62

Because elevating platforms typically have greater load capacity than aerial ladders, the piping on these systems may be larger, and flows up to ($$$$$) are possible on some models

Answer 62

2000 gpms

Question 63

Once this nozzle (piercing) has pierced the desired structure, a broken stream nozzle at its tip may be charged at the operators control panel. This stream is capable of flows up to ($$$$$$)

Answer 63

300 GPM

Question 64

NFPA 1989

Answer 64

Standard on breathing air quality for emergency service respiratory protection.

Question 65

($$$$$) established requirements for the quality of the air in breathing air systems.

Answer 65

NFPA 1989

Question 66

($$$$) are the most common power source used for emergency services and can be portable or fixed to the apparatus.

Answer 66

Generators

Question 67

($$$$) are used on the apparatus when the local fire agency determines that it is not necessary for the apparatus to be able to generate large amounts of power.

Answer 67

Inverters

Question 68

The inverter is a STEP UP transformer that converts the vehicles 12 or 24 volt DC current into ($$$$$)

Answer 68

110 or 220 AC current

Question 69

Portable lights generally range from ($$$$$$) watts

Answer 69

300 to 1000

Question 70

Most elaborate setups include electricity, pneumatically, or hydraulically Operated booms with a bank of lights. The bank of lights usually will have the capability of ($$$$) watts per light.

Answer 70

500 to 1500

Question 71

Electric power cords are needed to conduct electric power equipment, the most common size cord is the ($$$$$$).

Answer 71

12 gauge, 3 wire type

Question 72

Four common types of hydraulic power extraction tools used by rescue workers:

Answer 72

Spreaders shears Combination spreaders/ shears Extension rams

Question 73

Hose distances of ($$$$) or greater form the pump (hydraulic) may have a I insisting effect on the tool operation.

Answer 73

100 feet

Question 74

Many fire departments chose to carry an extension ladder that is 40 feet or longer to reach forth or fifth story windows that are not accessible with the main aerial device. These leaders are called ($$$$$$). Due to the extreme weight and awkwardness of this type of ground ladder, theses ladders are equipped with ($$$$) or ($$$$) for stability and leverage during the raising of the ladder.

Answer 74

Pole ladders Stay poles Tormentors

Question 75

Hydraulic door openers known as ($$$$$) are used to force entry through SWINGING DOORS.

Answer 75

Rabbet tools

Question 76

Smoke ejectors are commonly powered by ($$$$$)

Answer 76

Built in electric motors

Question 77

($$$$$) are placed in windows or doors for the purpose of drawing out heat, smoke, and gasses by creating a lower pressure inside the fire building.

Answer 77

Smoke ejectors

Question 78

($$$$$$$) are used to increase the air pressure in a structure and thus force out the by products of combustion.

Answer 78

Positive pressure blowers

Question 79

Loss control activities include($$$), ($$$$$$) and ($$$$$),

Answer 79

Safe driving techniques Water application techniques Salvage and overhaul

Question 80

($$$$). The practice of minimizing damage and providing customer service through effective mitigation and recovery efforts before, during, and after an incident.

Answer 80

Loss control