Advanced Rigging – Questions with Complete Solutions 100% Correct Answers

Advanced Rigging – Questions with Complete Solutions 100% Correct Answers Cribbing is used to - Correct Answers Support a load of the ground When a load is to be pulled up an inclined plane - Correct Answers 10% must be added to the load weight to determine the required pull capacity The WLL for a double-wrapped basket hitch is - Correct Answers Half that of a double basket hitch Which of the following is a correct statement regarding cribbing? - Correct Answers Softwoods such as pine are generally used for cribbing The point at which an object is perpendicular to and balanced in relation to the earth's gravitational pull is known as the - Correct Answers Center of gravity A mobile crane is stable when its leverage on the load is - Correct Answers Greater than the load's leverage on the crane The gross load that a crane is capable of lifting can be found in the - Correct Answers Load chart What crane movement affects the load's center of gravity in relation to the tipping axis? - Correct Answers Raising the boom At what wind speed is it advisable to stop lifting operations? - Correct Answers 30 mph Cribbing is a process in which - Correct Answers A load is placed on stacked timbers When lifting bundles of rebar, the preferred method is to - Correct Answers Thread sling eyes in the same direction When using cribbing, what affect on the WLL would be achieved by doubling the depth of the beams? - Correct Answers The WLL would quadruple