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arborist cert > Ch. 9 Tree Support and Lightning Protection > Flashcards

Ch. 9 Tree Support and Lightning Protection Flashcards

1
Q

What is a steel cable constructed in which 7 strands are twisted together in a spiral pattern that is used to limit movement or add supplemental structural support to trees?

A

7-Strand,Common-grade Cable

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2
Q

What is the upper most part of a tree lightning protection system, located near the top of a tree or large leader, intended to provide a lightning strike termination or attachment point? It may be either a manufactured terminal or the end of the conductor

A

Air Terminal

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3
Q

What is a drop-forged nut used to fashion a through-hardware anchor?

A

Amon-eye Nut

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4
Q

What is the hardware installed to a fix and/or terminate a cable or a guy to a tree, the ground, or to another device?

A

Anchor Hardware

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5
Q

What is the radius of an object around which a line passes?

A

Bend Radius

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6
Q

In tree support systems, the metal fitting that can be affixed to ends of steel cable strands to terminate a cable installation is called what?

A

Cable Stop

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7
Q

What are metal wires, cables, and bus-bar that are used for carrying electrical current?

A

A Conductor

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8
Q

Any object, material, or medium capable of conducting electricity if energized, intentionally or unintentionally is called what?

A

A Conductor

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9
Q

What is a manufactured wire wrap designed to form a termination in the end of a 1×7 left-hand lay cable?

A

Dead-end Grips

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10
Q

In tree support systems. What type of 7-strand steel cable is often used to cable trees and is stronger but less flexible than common grade cable that must be terminated with dead-end tree grips or terminal fasteners called?

A

Extra-high-strength (EHS) Cable

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11
Q

What is a drop-forged, closed-eye bolt, used to anchor cables to a tree in a through-fastened system called?

A

Eye Bolt

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12
Q

In cabling, what is a closed termination loop that is handformed in common-grade cable by wrapping the successive strands back upon the standing part to attach the cable to anchor hardware called?

A

Eye Splice

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13
Q

What is a rope or cable splice that forms a closed eye or loop?

A

Eye Splice

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14
Q

What is the metal rod used in grounding a lightning protection system called?

A

Ground Rod

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15
Q

In a tree lightning protection system, a conductive plate or rod used to ground is called what?

A

Ground Terminal

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16
Q

What is the installation of a steel cable or synthetic rope cabling system and an external anchor to provide supplemental support called?

A

Guying

17
Q

What is a lag-threaded, Drop-forged, closed-eye cable anchor used for dead end systems called?

A

Lag Eye

18
Q

What is a lag-threaded, J-shaped cable anchor called?

A

Lag Hook (J-hook)

19
Q

What is a cable anchor or bracing rod with a coarse thread pattern that is typically screwed into a predrilled hole that is smaller in diameter than the anchor or rod called?

A

Lag-threaded

20
Q

What is a fine-thread pattern on hardware used with a nut and washer and installed through a predrilled hole that is larger in diameter than the hardware being installed called?

A

Machine-threaded

21
Q

The installation of rigid structures between the ground and a branch or trunk to provide support is called what?

A

Propping

22
Q

What is the cabling system that utilizes elastic materials for tree support systems?

A

Rope Support System

23
Q

What is the type of drill bit with an open spiral form that is used to drill holes in trees for cable or bracing installation?

A

Ship Auger

24
Q

What is the cabling system that utilizes steel cable to limit movement and provide support of branches called?

A

Steel Cable System

25
Q

What is the hollow metal fitting used to terminate a wire rope (aircraft cable)?

A

Swage

26
Q

What is an oblong, galvanized, or stainless steel fitting with flared margins and an open ended base called?

A

Thimble

27
Q

A device used to increase the bend radius of and reduce wear on a rope when attached to hardware is called what?

A

A Thimble

28
Q

What is a machine-threaded steel rod used for through-brace installations called?

A

Threaded Rod

29
Q

A cable fabricated from individual wires twisted together in a uniform helical arrangement is called what?

A

Wire Rope

30
Q

Wire rope used in arboricultural applications typically contains _____ groups of _____ wires each.

A

7 Groups of
19 Wires

arborist cert (3 decks)

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