ISA Arborist Chapter 16 Questions &
Answers 100% Correct(SCORED A+)
3 strand - ANSWER-3 strands twisted together in spiral pattern
12 strand - ANSWER-Braided rope of 12 strands. 2 types, 1- tight braided not easily
splicable, used for climbing or rigging lines,2- loose, easily spliceable braid, used for
slings
16 strand - ANSWER-Braided rope, load bearing cover and a core that is not significant
in load bearing.
24 strand - ANSWER-- braided rope, 24 strand cover available in double braid or
kernmantle.
Access line - ANSWER-1-line hung in tree for emergency access. 2-climbing line
installed to gain access to, not used to work in a tree.
Aerial rescue - ANSWER-Method of bringing injured worker down from a tree or aerial
lift device.
Arborist block - ANSWER-Heavy duty pully with intergrate connection points (bushing
for attaching rope along)
Ascender - ANSWER-Piece of gear that allows a climber to ascend a role. Attached to a
rope, it will grip in one direction, down, and slide in another, up
Back cut - ANSWER-Cut made on opposite side of trunk or branch, opposite and
toward the notch, face cut, or undercut, to complete felling or branch removal
Balance - ANSWER-In rigging, a technique used for lowering without slowing either end
to drop.
Bend - ANSWER-Type of knot to join two rope ends together. Contrast with hitch.
Bend ratio - ANSWER-Ratio of the diameter of a branch,
sheave, or other object to the diameter of the rope that is wrapped around it
Bight - ANSWER-Curve or arc in rope between working end and standing part
Blake's hitch - ANSWER-Friction knot climbers use, sometimes in place of the tautline
hitch or Prusik knot.
Answers 100% Correct(SCORED A+)
3 strand - ANSWER-3 strands twisted together in spiral pattern
12 strand - ANSWER-Braided rope of 12 strands. 2 types, 1- tight braided not easily
splicable, used for climbing or rigging lines,2- loose, easily spliceable braid, used for
slings
16 strand - ANSWER-Braided rope, load bearing cover and a core that is not significant
in load bearing.
24 strand - ANSWER-- braided rope, 24 strand cover available in double braid or
kernmantle.
Access line - ANSWER-1-line hung in tree for emergency access. 2-climbing line
installed to gain access to, not used to work in a tree.
Aerial rescue - ANSWER-Method of bringing injured worker down from a tree or aerial
lift device.
Arborist block - ANSWER-Heavy duty pully with intergrate connection points (bushing
for attaching rope along)
Ascender - ANSWER-Piece of gear that allows a climber to ascend a role. Attached to a
rope, it will grip in one direction, down, and slide in another, up
Back cut - ANSWER-Cut made on opposite side of trunk or branch, opposite and
toward the notch, face cut, or undercut, to complete felling or branch removal
Balance - ANSWER-In rigging, a technique used for lowering without slowing either end
to drop.
Bend - ANSWER-Type of knot to join two rope ends together. Contrast with hitch.
Bend ratio - ANSWER-Ratio of the diameter of a branch,
sheave, or other object to the diameter of the rope that is wrapped around it
Bight - ANSWER-Curve or arc in rope between working end and standing part
Blake's hitch - ANSWER-Friction knot climbers use, sometimes in place of the tautline
hitch or Prusik knot.
