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NCCCO Rigger 1 Study Questions and answers with 100% correct solutions | A+ Grade
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NCCCO Rigger 1 Study Questions and answers with 100% correct solutions | A+ Grade
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NCCCO Rigger 1 Study Questions andanswers with 100% correct solutions |
A+ Grade
Which rigging hitch forms a slip noose around the object that is to be lifted or moved ? ✔✔Choker
The safe working load of a wire rope is? ✔✔Less than the total strength
The _____________ is used for a direct lift with a lift angle of 90 degrees ? ✔✔Vertical Hitch
The ____________ hitch produces 360 degrees of contact with the load and tightens as the lift takes
place ? ✔✔Double Wrap choker hitch
Which of the following is a characteristic of a synthetic web sling ? ✔✔They are affected by heat and
chemicals
When is a tagline required? ✔✔When the rotation of load is hazardous
What type of tagline should be used when near power lines ? ✔✔Polypropylene
, What is the purpose of a spreader bar ? ✔✔I handle long loads
What is the maximum included angle allowed when using a shackle on the hook ? ✔✔120 degrees
What is the minimum acceptable horizontal sling angle for use with slings ? ✔✔30 degrees
When using a shackle as part of a choker hitch where should the pin of the shackle be placed ? ✔✔In
the eye of the sling
What is the ASME standard that covers the inspection criteria for hooks ? ✔✔ASME B 30.10
What is the purpose of the sheet bend ? ✔✔To tie two different sizes of rope together
What is the order of hitches from weakest to strongest ? ✔✔choker, vertical, basket
A slings capacity is reduced by __________ when you go from vertical to a choker hitch ? ✔✔25%
When used in a tapped hole application how much thread engagement is required when installing an
eyebolt or swivel hoist ring? ✔✔1 - 1/2 times the diameter of the bolt
On a six strand wire rope, the lay length is approximately how many rope diameters ? ✔✔6
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