AOTM LP 20 & 21

Question 1

Spotting Considerations:
• ____________
• ____________
• ____________

Answer 1

• Stability
• Overhead wires & obstructions
• Grades

Question 2

_________ _________ - Ties the tractor to the rear axle and passes the load change directly to the tires

Answer 2

Spring Locks

Question 3

Best Climbing Angle:
• ___ to ___ degrees

Answer 3

• 70 to 80

Question 4

Best Climbing Angle:
• Proper placement for maximum stability and preferred climbing angle is a matter of ____________ & _____________

Answer 4

Experience
Good Judgment

Question 5

Distance Consideration:
Downtown Areas Confronted with 2 situations:
• Spot close to curb. Curbs are usually __ feet form building
• Spot outside of parking line

Answer 5

11

Question 6

Where the spot can be made next to the curb, the aerial ladder operator knows that he can operate between the __th and __th floors and maintaining between ___ to ___ degrees

Answer 6

5th
8th
70 to 80

Question 7

Any operation below the __th floor will result in climbing angles of less than ___ degrees

Answer 7

5th
70

Question 8

Where the spot is made outside of the line of cars, any operation below the __th floor wil be conducted at a climbing angle of less than ___

Answer 8

5th
70

Question 9

It is not unusual to see aerial ladder operations in the downtown area conducted with climbing angles considerably less than ___ degrees

Answer 9

70

Question 10

Steep Inline:
• Aerial ladder does not allow for _____ stress

Answer 10

Side

Question 11

Steep Incline:
•Aerials are strongest with a load applied _______________ to the rungs

Answer 11

Perpendicular

Question 12

Steep Incline:
• Rungs are considered ________ any time they are not parallel with the horizontal pane of the earth

Answer 12

Tilted

Question 13

The tilt with a 45-degree will be _______ as great as the tilt at a 90-degree angle

Answer 13

One-half

Question 14

Spotting Up Hill:
- If headed uphill, the operator should stop short of the intended point & throw the ladder uphill. 2 primary reasons:
• Rung Tilt will be _________
• Aerial is more ________

Answer 14

Reduce
Stable

Question 15

Jack-Knife:
The ideal angle is about ___ degrees from the in-line position, and away from the direction of ladder extension. This is called an outside jack-knife

Answer 15

60

Question 16

Jack-knife:
Even when the tractor is jack-knifed as much as ___ degrees, the truck stability is more than twice as great as when in the in line position

Answer 16

30

Question 17

It is best to have the ladder hoisted to at least a ___ degree angle before operating the other controls

Answer 17

45°

Question 18

Extending - for windows and fire escape balconies, raise the ladder __ foot above the still or railing

Answer 18

1

Question 19

Unsupported Ladder - the preferred angle is 70 t 80 degrees; this angle will safely support __ men

Answer 19

3

Question 20

Cantilever Operations:
• Stress is placed at the ___________

Answer 20

Turntable

Question 21

Loading Aerial Supported at 100 feet:
Angle of inclination
80° - __ Men
70° - __ Men
60° - __ Men
45° - __ Men
30° - __ Men

Answer 21

8
8
6
4
3

Question 22

Supported Aerial - For angles below ___ degrees, the apparatus MUST be jackknifed. __ men is the limit on the fly section

Answer 22

45°
2

Question 23

Loading Aerial Unsupported at 100 feet:
Angle of inclination
80° - __ Men
70° - __ Men
60° - __ Men
45° - __ Men
30° - __ Men

Answer 23

4
4
3
2
0
0

Question 24

Unsupported Aerial - below 75° apparatus must be jack-knifed; __ man on the fly

Answer 24

1

Question 25

High Winds - over ___ MPH use extra caution

Answer 25

35

Question 26

Ladder Pipe -
• __ companies required
• Load lines when at ___ °

Answer 26

2
50