Ch3 Types and Construction of Aerial Fire Apparatus

Question 1

All aerial apparatus should meet the design requirements of NFPA blank

Answer 1

1901

Question 2

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 grade

Answer 2

Aerial device

Question 3

A power operated ladder that allows firefighters to easily climb and descend between the tip of the ladder and the turntable for either fire fighting or rescue operations

Answer 3

Aerial ladder

Question 4

The fully extended length of North American-made aerial ladders ranges from?

Answer 4

50-135 ft

Question 5

The main uses of Aerial ladders are?

Answer 5

Rescue, Ventilation, elevated master stream application, and gaining access to upper levels of an emergency

Question 6

Also known as a tillered truck. It is equipped with steerable rear wheels on the trailer

Answer 6

Tractor-Drawn Apparatus

Question 7

Minimum jacknife angle of a tillered truck?

Answer 7

30 degrees

Question 8

A blank is required so that the platform’s position is horizontal to the ground at all times

Answer 8

platform leveling system

Question 9

Require minimum square feet of an aerial platform?

Answer 9

14 square feet

Question 10

No opening under the railing greater than blank inches on an aerial platform

Answer 10

24 in

Question 11

A 4 inch metal plate that runs around the bottom edge of an elevated platform to prevent the firefighter’s feet from slipping off the edge of the platform.

Answer 11

Footplate, aka kickplate

Question 12

1901 requires the curtain nozzle on the platform to provide blank gpm

Answer 12

75

Question 13

minimum load capacity of aerial platform?

Answer 13

750 lb

Question 14

minimum load capacity of aerial platform when waterway is charged?

Answer 14

500 lb

Question 15

The water delivery system of an aerial platform must be atleast blank gpm?

Answer 15

1,000

Question 16

Aerial platforms that are blank 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 150 seconds or less

Answer 16

110

Question 17

Aerial ladder platform size?

Answer 17

85-110 feet

Question 18

common sizes of telescopting aerial platforms?

Answer 18

75-100 feet

Question 19

blank construction consists of four sides of steel or aluminum welded together to form a box shape with a hollow center

Answer 19

box-beam construction

Question 20

Standard articulating platforms range from?

Answer 20

55-85 feet

Question 21

combination aerial devices range from

Answer 21

90-174 feet

Question 22

Water towers range in size from blank and have flows of blank gpm

Answer 22

50-130 feet, 1,000 - 5,000

Question 23

Quints range in size from?

Answer 23

50-75 feet

Question 24

The bottom section of the aerial ladder?

Answer 24

Base

Question 25

Second and subsequent sections that extend beyond the base section

Answer 25

Fly sections

Question 26

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

Answer 26

Base Rails

Question 27

The top chords to which the opposite ends of the trussing are attached; also called the handrails

Answer 27

Rails

Question 28

the portions that are attached between the two base rails and used as steps for personnel on the aerial ladder

Answer 28

rungs

Question 29

Time criteria for an apparatus is based on its?

Answer 29

aerial ladder

Question 30

positive displacement pump that imparts pressure on hydraulic oil within the hydraulic system

Answer 30

hydraulic pump

Question 31

supplies the hydraulic fluid that is moved in and out of the system. Fluid displaced from the system flows back into the reservoir for storage before being recirculated through the system

Answer 31

hydraulic reservoir

Question 32

hydraulic hose must be rated to withstand pressure blank times greater than normal operating pressure

Answer 32

4

Question 33

mechanical deevice with a passageway that controls the flow of a liquid or gas

Answer 33

valve

Question 34

Automatic valve that permits liquid flow in only one direction

Answer 34

Check Valve

Question 35

Pressure control device designed to eliminate hazardous conditions resulting from excessive pressure by allowing this pressure to bypass to the intake side of the pump

Answer 35

relief valve

Question 36

Valves designed to prevent unintentional or undesirable motion of an aerial device from position

Answer 36

counterbalance valves

Question 37

the blank valve is a three-way valve that directs fluid to either the stabilizer control valves or the aerial device control valves

Answer 37

selector aka transfer, diverter

Question 38

blank cylinders are capable of receiving oil under pressure from both sides of the piston so that force can be created in either direction

Answer 38

double acting

Question 39

valve that controls the flow of hydraulic oooil form an aerial apparatus hydraulic system to the hydraulic cylinders

Answer 39

actuator valve

Question 40

multidirectional valve used to control the flow of hydraulic oil through a hydraulic system

Answer 40

monitor valve

Question 41

Type of multidirectional valve used in an aerial device hydraulic system

Answer 41

Stack valve

Question 42

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

Answer 42

trunnion

Question 43

normal hydraulic pressure ranges from

Answer 43

850-3,000 psi

Question 44

what is the primary function of the turntable?

Answer 44

provide continuous rotation on a horizontal plane

Question 45

the operator's control pedestal usually stands?

Answer 45

3.5 feet

Question 46

What are the two common types of pre-piped waterway systems

Answer 46

Bed ladder and telescoping waterway

Question 47

ladders that are blank feet or shorter and equipped with a telescoping water system have piping that extends directly to the tip of the fly section

Answer 47

110

Question 48

the minimum internal diameter of piping in a telescoping water system

Answer 48

4 in

Question 49

Most telescoping waterway systems are capable of flows of blank gpm

Answer 49

1,000

Question 50

Detachable ladder pipes are typically limited to flow of less than blank gpm

Answer 50

750

Question 51

Elevating platform may provide flows up to blank gpm

Answer 51

2,000

Question 52

blank are the most common power source used for emergency services and can be portable or fixed

Answer 52

generators

Question 53

Inverters are capable of up to blank watts of power

Answer 53

5,000

Question 54

portable generators are capable of blank watts of power for blank hours

Answer 54

10,000 watts, 10 hours

Question 55

vehicle mounted generator are capable of up to blank watts

Answer 55

12,000

Question 56

nfpa 1901 requires aerial apparatus to be equipped with multiple salvage covers and blank scoop shovels to assist with salvage and overhaul efforts

Answer 56

2

Question 57

the practice of minimizing damage and providing customer service through effective mitigation and recoverty efforts before, during and after an incident

Answer 57

loss conrol