Topic: Ladder/Fall Protection
01. Minimum diameter of the vertical lifeline?
A. 10mm✔️
B. 13mm
C. 12mm
D. 20mm
02. Minimum diameter of the horizontal lifeline?
A. 10mm
B. 11mm
C. 12mm✔️
D. 20mm
03. Minimum space between ladder side rails?
A. 10"
B. 13"
C. 12"
D. 11.5"✔️
04. Preferred space between ladder rungs?
A. 10"
B. 12"✔️
C. 14"
D. 11.5"
05. Minimum space between ladder rungs?
A. 14"
B. 11"
C. 10"✔️
D. 12"
06. Maximum space between ladder rungs?
A. 15"
B. 10"
C. 11"
D 14"✔️
07. A straight ladder should be extended minimum........
from its landing area?
A. 1.5m
B. 1 m✔️
C. 2m
D. 3m
08. Minimum distance from the rungs to any fixed object ,
climbing side of the ladder without deflector plates?
A) 30"✔️
B) 24"
C) 20"
D) 10"
09. Minimum distance from the rungs to any fixed object ,
climbing side of the ladder with deflector plates?
A) 30"
B) 24"✔️
C) 20"
D) 10"
10) Maximum distance from ground to the first rung of the
ladder?
A) 15"
B) 24"
C) 10"
D) 12"✔️
11). Minimum lateral distance from ladder's centerline to
any fixed object?
A) 10"
B) 15" ✔️
C) 13"
D) 12"
12) we can't stand
on the ......... of the stepladder
A) shelf ✔️
B) 2nd rung
C) last rung from ground ✔️
D) first rung
13) what is the minimum overlap of the extension ladder if
the length of the ladder is 30 feet
A) 5 feet
B) 4 feet✔️
C) 3 feet
D) 2 feet
14). Maximum distance between a worker and a ladder in a
trench
A) 15 m
B) 12m
C) 7.5m✔️
D) 10m
Q15. Maximum distance
between 2 ladders in a trench?
A) 13 m
B) 15 m✔️
C. 10 m
D. 12
Q16) maximum free
standing ratio of the mobile scaffold without outriggers?
A) 4:1
B) 3:1✔️
C) 1:3
D) 1:4
Q17) maximum free standing ratio of the tower scaffold
without any support?
A) 1:3
B) 3:1
C) 1:4
D) 4:1✔️
Q18) we need cleats for Ramps if slope is
A) 1:7✔️
B) 1:10
C) 1:12
D) 1:4✔️
Q19) maximum space between vertical uprights?
A) 4m
B) 3m
C) 5m
D) 2.5.m✔️
Q20. A roof with slope of ...... doesn't need guard rails or
lifeline.
A) 1: 5✔️
B) 1:3
C) 1:4
D) 1:3.5
Q21) there's no need
any fall protection if our workers and material
is ........ feet away from the edge of the roof
A) 7 feet✔️
B) 5 feet
C) 4 feet
D) 3 feet
Q22). Which class of
the right angle and swivel coupler with EN74 standards have same capacity?
(2100 lbs)
A) A
B) C
C) D
D) B✔️
Q23) To make a joint
in ledgers or transoms with an extra tube , how many couplers do we need?
A) 4
B) 5 ✔️
C) 7
D) 3
Q24). Maximum sag of the horizontal lifeline between 2
attachment points is?
A) 8"
B) 14"
C) 12" ✔️
D) 10"
Q25) Minimum Capacity of the Anchorage point should be?
A) 6000 lbs
B) 4500 lbs
C) 5000 lbs ✔️
D) 4000 lbs
Q26. We use ........ to stop
material fall
A. Guardrail
B. Toe boards✔️
C. Lifeline
D. Mesh with
guardrail system ✔️
Q27- How many persons can attach their lanyard to horizontal
lifeline at a time between 2 attachment points?
A. 1
B. 2
C. 3 ✔️
D. 5
Q28. How many persons can be attached to vertical lifeline
at a time?
A. 4
B. 3
C. 1 ✔️
D. 2
Q29. Preferred angle of the straight ladder?
A. 3:1( 88°)
B. 1:3( 80°
C. 4:1(75°)✔️
D. 1:4(57°)
Q30. While climbing a ladder 3 points of attachment means?
A. 1 foot 2 hands✔️
B. 2 feet 2 hands
C. 2 feet 1 hand✔️
D. 2 hands 2 feet
