RIG CH.6 Flashcards

1
Q

Explain the relationship between sling angle and sling tension.

A

As the sling angle decreases, the tension on each sling increases substantially

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2
Q

What is the sling tension formula?

A

Sling tension = Sling length/Sling height * weight/# of slings

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3
Q

What condition must be present to use the sling tension formula?

A

Sling length and weight distribution of load must be equal on all slings when using the formula.

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4
Q

How should the sling be when installing an overhead transformer?

A

Sling must be as short as possible to maximize the lift

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5
Q

What does the skilled line worker know about sling angles?

A

Sling angles can create tensions that far exceed the weight of the load being lifted.

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