rigging 3 Flashcards

1
Q

a sling placed in a choke configuration is good for about half the weight of the same sling placed in a

A

vertical configuration

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2
Q

a sling placed in a basket configuration is good for about twice the weight of the same sling placed in a

A

vertical configuration

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3
Q

3 types of slings

A

synthetic, wire rope, chain sling

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4
Q

weakest sling configuration

A

choker

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5
Q

strongest sling configuration

A

basket

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6
Q

sling configuration for setting poles

A

choker

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7
Q

using multiple slings for a vertical configuration is a

A

bridle type configuration

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8
Q

slings with missing or illegible name tags must be

A

immediately removed from service

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9
Q

iwrc stands for

A

independent wire rope core

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10
Q

eip stands for

A

extra improved plow steel

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11
Q

chains used for lifting, rigging, or hoisting must be a min of

A

80 alloy chain

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12
Q

shackle used for attaching or joining hardware such as insulator assemblies to structures

A

material shackle

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13
Q

shackle used to join slings, provide effective means of choking slings, or provide attachment points for rigging purposes

A

rigging shackles

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14
Q

when using a rigging shackle choker configuration, always rig the

A

eye end of the sling to the shackle pin and the running end through the shackle body

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15
Q

sling length weight
—————- x —————— =
sling height # of slings

A

sling tension

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16
Q

p.t.o. is?

A

power take off

17
Q

on a incline spoils are stored?

A

uphill

18
Q

what configurations are digger derrick turrets mounted in?

A

rear center, forward center, corner mount

19
Q

the boom is strongest when it is

A

fully retracted and at the highest possible angle

20
Q

actual lift capacity is defined by what three factors

A

the stability of truck, the manufactures imposed lifting limitation, the physical position of the boom

21
Q

the vertical distance the sheave is from the height of the turret base

A

sheave height

22
Q

the horizontal distance the hook is from the center of the turret

A

the hook radius