Truck Book 3 Ladders

Question 1

define bridging

1

Answer 1

Using a ladder to spend distances resembling a bridge by two buildings are trenches

Question 2

what is the primary purpose of a portable ladder

3

Answer 2

Access and egress for firefighters

Question 3

NFPA 1901 recommends fire department apparatus have a minimum total ladder length on aerials of how many feet
3

Answer 3

115’

Question 4

The only NFPA requirement pertaining to marking portable letters is what
3

Answer 4

ladders shall only be marked at the top 18 inches

Question 5

ladders should be tested how often

4

Answer 5

annually

Question 6

ladders should be inspected and cleaned how often

4

Answer 6

Monthly or after every use

Question 7

where should heat sensor labels be located on ladders

4

Answer 7

below the second rung from the top and at the halfway point

Question 8

at what temperature will the heat sensor labels change color

4

Answer 8

300 degrees

Question 9

How much load capacity in terms of percentage can aluminum ladder lose if exposed to high heat
4

Answer 9

25%

Question 10

laddering of a building is dependent on what three factors

7

Answer 10

Type of building
occupancy of building
location extend a fire

Question 11

what is the priority order for placement of portable ladders on the fire ground
7

Answer 11

fire floor

floor above the fire adjacent compartments and roof if needed

Question 12

In order to select the most appropriate portable ladder for the task estimate ——- feet per floor residential occupancies and ——— feet per floor in commercial occupancies

Answer 12

9’ residential

12’ commercial

Question 13

14/16’ Strait roof ladder can reach what

8

Answer 13

Second-floor residential window

Question 14

16/20’ strait roof ladder can reach What

8

Answer 14

Second floor commercial window first story residential roof

Question 15

20’ strait/roof ladder can reach what

8

Answer 15

Second story residential roof

Question 16

24’ extension ladder can reach what

8

Answer 16

Second story residential roof

third floor residential window

Question 17

28’ extension ladder can reach what

8

Answer 17

2nd story commercial roof

3rd floor residential window

Question 18

35’ extension ladder can reach what

8

Answer 18

3rd floor commercial window
3rd story residential/commercial roof
4th floor residential window

Question 19

When throwing a ladder to a balcony how many rungs at a minimum should be above the railing
10

Answer 19

2

Question 20

when making a rescue from a window with the tower bucket ideally where should the platform be positioned in relationship to the window
18

Answer 20

Base of the platform is level with the window ledge occupant can be moved into the open platform door

Question 21

when using a tower bucket to perform a rescue from a window of a occupant who is obese or incapacitated where should the platform be lowered in relationship to the window
18

Answer 21

The platform can be lowered to wear the top rail is level with the ledge or sill

Question 22

if Ariel encounters an electrical powerline what should the operator do
19

Answer 22

use hydraulic controls to move aerial ladder away from wires

stay on the turn table but warm all others to stay at least 30 feet away minimum safe distance

notify incident commander that vehicle may be energized

Question 23

turntable placement is a responsibility of who

20

Answer 23

Ariel driver

Question 24

if the apparatus is to use an elevated master stream and there’s a potential for collapse where should a position
20

Answer 24

Outside of collapse zone. 1 1/2 times the structure’s height and/or on an outside corner

Question 25

which nozzle is best when flowing from elevated master streams 21

Answer 25

smooth board with an appropriate solid stream has the best penetration ability to reach the seat of the fire

Question 26

what are the three main uses for elevated master stream operations 21

Answer 26

Extinguishment exposure protection flying standpipe

Question 27

Which type of nozzle pattern for aerial master streams is ideal for attic fires 22

Answer 27

Narrow fog or strait stream

Question 28

Which type of Ariel master stream nozzle pattern as ideal for exposure protection 22

Answer 28

Fog stream

Question 29

which type of nozzle pattern for an Ariel Master stream is ideal for warehouses and commercial building structures 22

Answer 29

Smoothbore

Question 30

if an elevated master stream is prepared to flow onto the fire but has not received water yet, what should the operator not do 22

Answer 30

Rotate Ariel into attack position exposing it to potential fire damage

Question 31

when an aerial is utilizing a Smoothbore tip, unless otherwise directed, which size tip should you be using 23

Answer 31

Largest tip available

Question 32

In general in order to receive maximum benefit of AnyStream inside a structure the stream should be directed where 23

Answer 32

Upward at a 30° angle through window or opening

Question 33

if large vol of fires on several floors where should the aerial master stream attack first 23

Answer 33

Start attack on lowest floor and move up

Question 34

If a large volume of fire spreading horizontally where should an aerial master stream began its attack 23

Answer 34

At the point of progress and spread walking back towards point of origin

Question 35

which type of nozzle is best to aim upward through lower windows into an attic fire 24

Answer 35

Smoothbore to penetrate and bounce off ceiling creating broken particles

Question 36

True or false the tactic of creating a water shower between the fire and exposure has proven not to be as affective as saturating the exposure building 24

Answer 36

true

Question 37

The most advantageous method for using the aerial device to achieve a flying standpipe is to do what 25

Answer 37

Use the ladder for access stretching the hose off the ladder securing the hose with a rope or hose to bring up Ariel for other duties

Question 38

For hasty egress or victim rescue the top rail of an Ariel’s tower bucket should be level with what 26

Answer 38

Windowsill

Question 39

Elevated master stream operations can prevent auto exposure over ——vertical feet depending on wind conditions and placement of truck companies 27

Answer 39

100’