16. CLIMBING AND WORKING IN TREES WORKBOOK

Question 1

__________ used for climbing must be self-closing and self-double locking (triple-action).

Answer 1

Carabiners

Question 2

True/False – Hitch cord is typically a smaller-diameter cordage used to tie the friction hitch.

Answer 2

True

Question 3

__________ are small, light-duty pulleys, often used to tend slack and assist advancement of the friction hitch.

Answer 3

Micro pulleys

Question 4

Climbers may choose to use a __________ device when tying in. This can reduce the wear on the rope.

Answer 4

Friction-saving

Question 5

True/False – Climbing spikes are used for ascending trees, but only for removal or during a rescue.

Answer 5

True

Question 6

List three times that climbing gear should be inspected.

Answer 6

• DAILY
• Periodic
• Post-incident

Question 7

List two braided rope types that are popular for tree climbing.

Answer 7

• 16-strand
• 24-strand

Question 8

__________ ropes are not recommended for natural branch union rigging.

Answer 8

Double-braid

Question 9

True/False – If the load in a rope equals its tensile strength, the rope will definitely fail on its first use.

Answer 9

False

Question 10

True/False – In SRS, there is a 2:1 mechanical advantage, but only 50% gain in upward movement.

Answer 10

False

Question 11

True/False – When a climber is injured or unresponsive in a tree, the first step is to ascend and reach them quickly.

Answer 11

False

Question 12

True/False – Natural branch unions are fast and effective for rigging points but the minimal, consistent friction and versatility of an arborist block is often a great advantage.

Answer 12

True

Question 13

True/False – The forces in rigging are affected by weight, fall distance, rope amount, and angles.

Answer 13

True

Question 14

True/False – It is always preferable to establish a rigging point above the work if possible.

Answer 14

True

Question 15

True/False – Rigging from below is one of the most demanding techniques due to shock-loading.

Answer 15

True

Question 16

What is the weakest link in a rigging system?

Answer 16

The rigging line

Question 17

What must arborists abide by when working near electrical conductors?

Answer 17

Minimum approach distance

Question 18

List two types of climbing systems.

Answer 18

• Moving rope system (MRS)
• Stationary rope system (SRS)

Question 19

Carabiners must always be loaded along the:

Answer 19

Major axis

Question 20

A system that incorporates ascenders for efficient ascent:

Answer 20

Rope walking

Question 21

A change in the climbing line’s direction to improve safety and efficiency:

Answer 21

Redirect

Question 22

How should a piece be tied before lowering to prevent dropping the butt or tip?

Answer 22

Balanced

Question 23

A variation of standard tree-felling using a notch and back cut:

Answer 23

Hinge cut

Question 24

Identify these knots: Blake’s hitch, Sheet bend, Running bowline.

Answer 24

Blake’s hitch, Sheet bend, Running bowline

Question 25

List three essential climbing equipment.

Answer 25

* Carabiners * Micro pulleys * Friction-saving device

Question 26

How often should climbing gear be inspected?

Answer 26

* Daily * Periodically * Post-incident

Question 27

List two braided rope types popular for tree climbing.

Answer 27

* 16-strand * 24-strand

Question 28

Why are double-braid ropes not recommended for natural branch union rigging?

Answer 28

Friction imbalance between the core and cover braids

Question 29

A 'rope inside a rope' is known as:

Answer 29

Double-braid rope

Question 30

A short length of cordage used for tying a climbing hitch:

Answer 30

Split-tail

Question 31

First steps in an emergency response:

Answer 31

Assess the situation and call for help

Question 32

A cut with an undercut, top cut, and final cut:

Answer 32

Drop cut

Question 33

What is the minimum required tensile strength in the United States for carabiners?

Answer 33

5000 lbs

Question 34

Type of knot used to secure a rope to an object, another rope, or the standing part of the same rope.

Answer 34

Hitch

Question 35

Joins the ends of two ropes, or both ends of the same rope together.

Answer 35

Bend

Question 36

Tied to itself, utilizing only one rope.

Answer 36

Knot

Question 37

Considered the "climbing knots" used by many climbers. They allow the climber to ascend or descend on a climbing rope.

Answer 37

Climbing Hitch (friction hitch) Prussik, Tautline Hitch, Blakes Hitch etc

Question 38

As reported by the manufacturer, this value is the breaking strength of a new rope or piece of hardware.

Answer 38

Tensile Strength

Question 39

One cycle means one lift OR drop for a rigging line.

Answer 39

Cycles to failure

Question 40

If the load in a rope is equal to its tensile strength, what can happen?

Answer 40

The rope may fail.

Question 41

This value is created to increase the life of a rope and is much less than the tensile strength (breaking point).

Answer 41

Working-load limit

Question 42

A design factor of ___ is commonly used for life-support ropes, lanyards, and hitch cords.

Answer 42

10

Question 43

The first step in any emergency response is to assess the situation using the ABC'S

Answer 43

Airway Breathing Circulation

Question 44

When working in trees, the ANSI _____ standard outlines safety requirements for arboricultural operations, including PPE like helmets, eye protection, and climbing equipment, and emphasizes safe climbing practices and tree inspection.

Answer 44

Z133

Question 45

Because the rope moves as the climber moves in ____, the climber advances only 1ft for every 2ft of rope pulled.

Answer 45

Moving Rope Systems (MRS)

Question 46

As the climber ascends using ____ climbing, advancing the gear 1ft up the rope translates into 1ft of upward movement for the climber.

Answer 46

Stationary Rope Systems (SRS)

Question 47

In MRS, there is 2:1 mechanical advantage; however, that corresponds to only ____% gain in UPWARD MOVEMENT

Answer 47

50%