6/7 Ladders And Evolutions

Question 1

Moving pivot;
Used while raising, base member spans pivot beam approximately ___ and ___ rung level

Answer 1

3rd and 5th

Question 2

Terminology;
Ladder on the beam and rungs in vertical position

Answer 2

Park

Question 3

Terminology;
When ladder is laid on ground with rungs in horizontal position

Answer 3

Rest

Question 4

Terminology;
Devices which prevent extending the fly out of the main section

Metal rods which reinforce and hold the ladder assembly together

Answer 4

Stops

Tie-rods

Question 5

Terminology;
Blocks between the main and truss beams of a trussed ladder

Answer 5

Truss blocks

Question 6

Number of members permitted on ladders;

10,12,14 and 16 =

20 and 24=

35ft=

Roof ladders;

10,12,14=

16 and 20=

Answer 6

1
2
3

2
3

Question 7

Maintenance;
Ladders should be inspected ___ and ___

Check for ;5

Answer 7

Periodically and after use

1.marred, worn, cracked , or splintered
2shoes worn
3worn, frayed or loos halyards
4loose tie rods and beam bolts
5racked , peeled or blisters finish

Question 8

Oil locks and pulleys;

Minimum of ___ coats of ___

Pigmented paint shall not be used except

Answer 8

As necessary

2 coats of clear finish

On metal and for marking

Question 9

The proper climbing angle of a ladder is ___

To obtain this angle base of ladder should be placed at a distance from the building or objective equal to or approximately ___ the desired height

Answer 9

70 degrees
1\4

Question 10

Ladders raised to fire escapes or balconies shall

Answer 10

Be secured to balcony railing wit( ladder st4ap

Question 11

6/7-02.13 VENTILATING Ladders may be used to advantage in ventilating above ground where windowpanes are encountered. With the ladder held in position some distance away, allow top to fall against the glass. Watch for glass falling or sliding down beams of the ladder.

How to reduce this possibility

Answer 11

Turning the ladder so that only the beam strikes the glass

Question 12

16 and 20 ft straight ladders are generally used for reaching ____ roofs and Windows on ___ floor.
The 20 straight can sometimes reach ____

Answer 12

1 story
2nd floor windows
Lowest fire escape balcony

Question 13

Note;
Never place hand over ___ when throwing ladder

Answer 13

Shoe

Question 14

Extension ladders should normally be extended __ ft above windowsills or balconies. And a minimum of ___ ft above parapet walls, roofs, etc

Answer 14

1ft, 3ft

Question 15

12ft x ladders are useful for ____ and as____.
Made in ___ ft sections

Answer 15

Inside work and as stepladders
7’

Question 16

14x = ___ ‘ sections

Answer 16

9

Question 17

20x used to reach ___ story structures and ___ floor windows and occasionally ____ fire escape balconies.
These ladders are made of 2 ___ ft sections

Answer 17

1 story
2nd story window
Lowest
12

Question 18

Thirty-five foot extension ladders are used to reach fire escape balconies, roofs of ______, second and ____floor windows, etc. These ladders are made of two ____foot sections.

Answer 18

2nd and some red roofs
3rd floor windows
20’

Question 19

Roof ladders lengths=

Answer 19

10,12,16,20

Question 20

Raising 10 and 12 roof (one member)

Grab ___ rung from hocks and open hooks

Proceed up ground ladder, place arm between ___ and ___ rung or ___

Answer 20

2nd rung grab

Through 2nd and 3rd rung or more convenient

Question 21

Raising 16 and 20 roof (2 member)

Top member places arm between second and 3rd rung

Base member climbs ground ladder until his/her head is even with the ___rung below feet of top member

If used as one member ladder, climb with arm between _____

Answer 21

2nd

rung most convenient slightly above middle of ladder, weight on shoulder will facilitate sliding roof ladder on roof