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BCMA > Support and Protection > Flashcards

Support and Protection Flashcards

1
Q

Steel cable construction in which seven strands are twisted together in spiral pattern; used to limit movement or add supplemental structural support to Trees

A

7-strand, common-grade cable

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2
Q

Upper most part of a tree lightning protection system, located near the top of a tree or a larger leader, intended to provide a lightning strike termination or attachment point; maybe either in manufactured terminal or the end of the conductor

A

Air terminal

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3
Q

Steel wire rope of various constructions designated by the number of strands in the room and the number of wires in each strand; commonly used in cabling due to a tie strength

A

Aircraft cable

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4
Q

Drop-forged nut used to fashion a through-hardware anchor

A

Amon-eye nut

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5
Q

How do I installed to fix and or terminate and cable are dying to the tree, the ground or to another device

A

Anchor hardware

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6
Q

Drill bit that boars holes in word or other materials well caring cuttings away from the bored hole.

A

Auger bit

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7
Q

Radius of an object around with your line passes

A

Bend radius

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8
Q

(1) lag-or machine-threaded Cable anchor or brazing rod; used with a nut and washer in supplemental support systems and trees; (2) A machine three and fastener used with a nut and washer in various equipment or structures

A

Bolt

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9
Q

Electrical connection between an electrically conductive object that is intended to significantly reduce potential difference is created by lightning current

A

Bonding conductor

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10
Q

Treee support cabling system that forms close polygons; used to join more than three stems

A

Box cable system

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11
Q

Installation of lag-threaded screws or threaded steel rods in limbs, leaders, or trunks to provide supplemental support two week branch unions

A

Bracing

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12
Q

Metal rod used to support week sections our branch unions of a tree

A

Bracing rod (rigid brace)

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13
Q

And a tree lightning protection system, the copper wire cable to connect the branch air terminal to a primary conductor

A

Branch conductor

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14
Q

(1) Install steel cable or synthetic rope between branches within a tree to limit movement and provide supplemental support (2) steel wires twisted together in a uniform helical arrangement; cable intended for a more aboriculture applications typically contain seven wires that are zinc coated

A

Cable

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15
Q

Device used to tighten lags and aid and cable installation

A

Cable aid

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16
Q

In a tree support systems, hardware to which a cable termination is affixed in a cabling or dying insulation

A

Cable anchor

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17
Q

Double Bolted, U-shaped clamps, sometimes used to secure tree cables

A

Cable clamp

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18
Q

Mechanical device that grasps and holds the cable during installation; also called a cable puller

A

Cable grip

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19
Q

Entry support systems, metal sitting there can be a six to the end of steel cable strands to terminate the cable installation

A

Cable stop

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20
Q

Installation of steel or synthetic cable in a tree to Provide supplemental support Tariq branches or branch unions

A

Cabling

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21
Q

Device design to class and hold EHS cable

A

Chicago grip

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22
Q

In a tree lightning protection system, the cast or machined fitting that uses one or more bold to secure connection with hardware

A

Clam type connector

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23
Q

Fort branches of nearly the same diameter, arising from a common union in lacking a branch collar; may have included bark

A

Codominant branches/stems

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24
Q

Portable winching device, using cable or rope to draw two objects closer together

A

Come along

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25
Q

In North America, flexible steel rope made up of seven wire strands that are twisted helically together

A

Common grade cable

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26
Q

Any tree lightning protection system, a copper wire cable intended to transfer the lightning current to the ground

A

Conductor

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27
Q

Multipurpose bolts clamp that is used to bond conductors, or to bond a conductor to a ground terminal or trees supplemental support system

A

Connector clamp

28
Q

In a tree lightning protection system, a cast or stamped connector that uses crimped, fingerlike projections to secure conductor connections in an end to end, side-by-side, or Y configuration

A

Crimp-type connector

29
Q

Brace for him by threading a lag threaded screw ride directly into a limb, leader, or trunk but not through the side opposite the installation

A

Dead end brace

30
Q

Manufactured wire wrap design to form a termination in the end of a 1 x 7 left hand lay cable

A

Dead-end grips (tree grips)

31
Q

Anchors or braces that are threaded directly into the tree but not through the side opposite the installation; dead-end hardware includes, but is not limited to, lag hooks, lag eyes, and lag threaded screw rods

A

Dead-end hardware

32
Q

In tree support systems, simple tree cabling system trying to branches are leaders with a single cable

A

Direct cable system

33
Q

Any of several cabling systems that utilize elastic materials (usually rope or various constructions) for three support systems

A

Dynamic cable system

34
Q

In tree support systems, type of 7-strand steel cable, often use to cable trees; stronger but less flexible than common grade cable; must be terminated with dead-end tree grips or terminal fasteners

A

Extra-high strength (EHS) cable

35
Q

Drop-forged, closed-eye bolt, used to anchor cables to a tree and he through-fastened system

A

Eye bolt

36
Q

In cabling, a closed termination loop, hand forged in common-grade cable by wrapping the successive strands back up on the standing part to attach the cable to anchor hardware

A

Eye splice

37
Q

To create a path for an electric current to reach the earth

A

Ground

38
Q

In a tree lightning protection system, a copper plate used to for me ground terminal in shallow soil’s

A

Ground plate

39
Q

Metal rod used in grounding a lightning protection system

A

Ground rod

40
Q

The portion of a lightning protection system-such as a radial conductor, ground rod, or ground plate that is installed for the purpose of providing electrical contact with the earth

A

Ground terminal

41
Q

Electrically connected to the earth, providing a path for the flow of electricity to prevent accidental energizing

A

Grounded

42
Q

A steel or synthetic fiber cable between a tree or branch with an external anchor (another tree, the ground, or other fixed object) to provide supplemental support.

A

Guying

43
Q

Devices to class and hold common grade cable

A

Haven Gripe

44
Q

Birthday becomes in bedded in the union between branch in trunk or between codominant Stems; lax would connections, Resulting in a weak structure

A

Included dark

45
Q

Lag-threaded, closed-eye cable anchor used for dead-end systems

A

Lag eye

46
Q

Lag-threaded, J-shaped cable anchor

A

Lag hook (J-hook)

47
Q

Cable anchor or bracing rod with a coarse thread pattern; typically screwed into a pre-drilled hole that is smaller in diameter than the anchor a rod a rod

A

Lag-threaded

48
Q

Fine thread pattern on hardware, used to the nut and washer and installed three pre-drilled hole that is larger in diameter than the hardware being installed

A

Machine threaded

49
Q

System by which effort or force can be multiplied

A

Mechanical advantage

50
Q

The act of bending, rounding, or flattening the end of through hardware for the purpose of preventing a nut from backing off

A

Peening

51
Q

Brand of dead-end grip

A

Preformed tree grip

52
Q

Rigid brace, acting in compression, to support a tree, tree branch, or utility pole

A

Prop

53
Q

Type of drill bit with an open spiral form; used to drill holes in trees for cable are bracing installation

A

Ship auger

54
Q

Phenomenon of lightning strike leaving its current path and jumping to reach a better grounded conductor

A

Side flash

55
Q

Cabling system that utilizes rigid materials, such as rods and steel cable, to limit movement and provide constant support of limbs

A

Static cable system

56
Q

Voltage differential that develops when a person near a ground fault with two parts of their body to feet, a hand and foot, or two other body parts straddles that voltage differential; I can result in an electric shock or electrocution

A

Step potential

57
Q

Hollow metal fitting used to terminate a wire rope (aircraft cable)

A

Swage sleeve

58
Q

Tightened to the point of eliminating visible slack

A

Taut

59
Q

Device or configuration that secures the end of a cable to the anchor in a cabling or guying installation

A

Termination

60
Q

Hardware used to form a termination; includes, but is not limited to, dead-end grips, thimbles used an eye-splices, swage sleeves, and cable stop termination devices

A

Termination hardware

61
Q

An oblong, galvanized, or stainless steel sitting with flared margins in an open ended base

A

Thimble

62
Q

Machine threaded steel rod used for through brace installations

A

Threaded rod

63
Q

Cable anchors or brazing rods that pass completely through an oversized, pre-drilled hole in the trunk or branch that are secured with nuts and washers

A

Through hardware

64
Q

Drop forged, closed-eye device for adjusting cable tension

A

Turn buckles

65
Q

Cable fabricated from individual wires twisted together in a uniform helical arrangement; wire rope used in the arboricultural applications typically contain 7 groups of 19 wires each

A

Wire rope

66
Q

Clamp consisting of a U bolts, bracing plate, and fastening nuts

A

Wire rope clamp

BCMA (20 decks)

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