Physics > QUESTIONS & ANSWERS > Rigging Practices Course Questions and Answers Graded A (All)

Rigging Practices Course Questions and Answers Graded A

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Rigging Practices Course Questions and Answers Graded A A load chart range diagram can best be used to help identify: ✔Ans✔ net capacity for mobile crane working at maximum radius, exceeding ... what percentage of the cranes capacity requires the radius to be verified? ✔Ans✔ 80% the minimum depth of thread engagement for a 1/2 in eyebolt into steel object is? ✔Ans✔ 3/4 in when tying knots in synthetic rope lashing, the rated load is increased by 50% ? ✔Ans✔ false the size of shackle that can be used in the eye of a wire rope sling must be ________ the wire rope size? ✔Ans✔ equal to or greater than a shackle must be marked with the rated load, re-inspected due date, and the date manufacture? ✔Ans✔ false when working near energized power lines where the crane or load could cross the absolute limit of approach, what additional requirements must the crane team follow? ✔Ans✔ designated spotter must be stationed to watch clearances the load weight of a personnel lift must not exceed _____ of the hoists rated capacity for the working radius ? ✔Ans✔ (50%) a manufacturer's certificate of proof test may satisfy the initial test requirements for rigging equipment? ✔Ans✔ false which of the following operator actions will most likely cause a reduction in the capacity of a mobile crane? ✔Ans✔ booming down an angular pull of 45 degrees is allowed on non shouldered type eye bolts? ✔Ans✔ false two slings creating a 60 degree sling angle are used to lift a 4,000 pound item. the appropriate rated load for each sling is 2,000 pounds. ✔Ans✔ false [Show More]

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