ISA Certified Arborist Chapter 16
(Climbing and Working in Trees)
List four defects that might be found during rope inspection that would require a rope to
be retired. - answer cuts, excessive fraying
puffs, pulled or herniated fibers
abrasions
changes in diameter
discoloration
glazing of the fibers
Before climbing a tree, a climber should inspect the tree for hazards such as... (list 5) -
answer broken limbs
electrical hazards
dead limbs
decay
splits
True/False - The load on any piece of climbing or rigging equipment can be many times
higher than the weight of the climber or the limb being rigged. - answer True
The ______ ______ reported by the manufacturer is the breaking strength of a rope or
piece of hardware. - answertensile strength
Climbers may also choose to use a ______ - ______ device when tying in. This can
reduce the wear on the rope and damage to the tree and can, in some cases, facilitate
climbing. - answerfriction-saving
A _____ - _____ knot is often tied in the tail from the climbing hitch as a _____ _____ to
prevent the end from going through climbing hitch. - answerfigure-8
stopper knot
A _____ is a type of knot used to secure a rope around an object, another rope, or the
standing part of the same rope. A _____ joins two rope ends together. - answerhitch
bend
Two methods of using a climbing line to ascend a tree are _____ - _____ and _____
_____. - answerbody-thrust
secured footlock
True/False - When footlocking, putting the hands on or above the Prusik hitch could
cause it to slide down the climbing line, creating a fall. - answerTrue
(Climbing and Working in Trees)
List four defects that might be found during rope inspection that would require a rope to
be retired. - answer cuts, excessive fraying
puffs, pulled or herniated fibers
abrasions
changes in diameter
discoloration
glazing of the fibers
Before climbing a tree, a climber should inspect the tree for hazards such as... (list 5) -
answer broken limbs
electrical hazards
dead limbs
decay
splits
True/False - The load on any piece of climbing or rigging equipment can be many times
higher than the weight of the climber or the limb being rigged. - answer True
The ______ ______ reported by the manufacturer is the breaking strength of a rope or
piece of hardware. - answertensile strength
Climbers may also choose to use a ______ - ______ device when tying in. This can
reduce the wear on the rope and damage to the tree and can, in some cases, facilitate
climbing. - answerfriction-saving
A _____ - _____ knot is often tied in the tail from the climbing hitch as a _____ _____ to
prevent the end from going through climbing hitch. - answerfigure-8
stopper knot
A _____ is a type of knot used to secure a rope around an object, another rope, or the
standing part of the same rope. A _____ joins two rope ends together. - answerhitch
bend
Two methods of using a climbing line to ascend a tree are _____ - _____ and _____
_____. - answerbody-thrust
secured footlock
True/False - When footlocking, putting the hands on or above the Prusik hitch could
cause it to slide down the climbing line, creating a fall. - answerTrue
