WorksheetsRigging Level #1
Total questions: 12
Worksheet time: 3hrs 31mins
consideration when attaching a block to the tree is to...
Keep the block as close to the tree as possible.
Make sure the knot is loosely tied.
Make sure the sling in the rigging rope are the same size.
Make sure the larger sheave is attached to the sling.
the rigging rope should be passed around the larger sheave on an arborist block
TRUE!!!!!
FALSE!!!!!
polyester rope has less stretch than nylon rope
TRUE!!!!!
FALSE!!!!!
in a double braid rope construction, the cover supports 70% of the load
TRUE!!!!!
FALSE!!!!!
rescue pulleys
A. need a separate connecting link
B. can be attached directly to a rope sling
C. are designed for static loads
D. A&C are correct
Redirecting the rigging line through multiple unions or blocks
Changes the direction of the force seen at each of the rigging points
Will reduce the force seen in the rigging system by half
Serves NO purpose
Eliminates the need for a lowering device
a log hanging from a rigging point is an example of a static load
TRUE!!!!!
FALSE!!!!!
rigging ropes and slings do not need to be inspected before if they were inspected when they were last put away
TRUE!!!!!
FALSE!!!!!
Unless they were sabotaged😲, TRUE!!!!!
the "working end" of a rope is...
Used to make a bight
The end of the rope on the ground
The end of the rope used to tie a knot or attach a rope to an object
The part of a rope that rests in the sheave of a pulley before a limb is lowered
Dynamic loads can be reduced by
Letting the piece "run"
Adding more rope to the system
Cutting smaller pieces
all of the above
A knot in a rope...
Will always reduce the rope strength by 70%
can reduce the rope strength by 50%
has no effect on the rope strength
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