NCCCO RIGGER 1 STUDY

NCCCO RIGGER 1 STUDY

QUESTIONS AND ANSWERS LATEST

UPDATE

Maximum width in wire rope sling eye - Answer-1/2 the length according to ASME B30.9

Crane stress increase during sudden loading - Answer-Shock loading

Sling length formula - Answer-A2 + B2 = C

Weight of one cubic foot of steel - Answer-Approximately 480 pounds (Ibs)

Permanent identification tag sling - Answer-Alloy steel chain sling with size, grade, and rated capacity

Wire rope diameter measurement - Answer-Across the crowns

Working load limit of slings - Answer-Breaking strength divided by design factor

Volume of a rectangle formula - Answer-Length x height x width

Required information on synthetic web sling tag - Answer-Manufacturer name, rated load for each hitch type, and type of material

Unequal leg length in alloy steel chain sling - Answer-Possible indication of overloading

Cheater pipe on chain hoist come along - Answer-More leverage

Maximum contact hitches - Answer-Double wrap choker/double wrap basket

Polypropylene web sling temperature limit - Answer-Not to be used above 200 degrees

Sling requiring annual inspections - Answer-Alloy steel chain sling

Distance for one strand to wrap 3 degrees - Answer-One lay

Preventing wearing in wire rope sling eye - Answer-Thimble

6x19 classification - Answer-Wire rope with 15-26 wires per strand

Synthetic web sling inspection - Answer-Daily inspection before use

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