Mobile Cranes Questions and Answers | Latest Version | 2024/2025 | Already Passed

Mobile Cranes Questions and Answers | Latest Version | 2024/2025 | Already Passed A crane that "goes Light" is not yet overloaded , and can be safely returned to normal by rapid load lowering false A rough terrain crane is commonly referred to as; cherry picker All wire rope on a crane(hoist lines, boom hoist lines, pendant lines) have a standdardizied design safety factor of; will vary depending on the crane and application An outrigger float should be approximately how much larger that the outrigger pad? 3 times Boom angle is the measured angle between______and the cnterline of the boom? horizontal Crane stability is based of lever principle Direction of the boom and pendant stretch will increase/ load radius From the previous question, what chart radius value would be used to calculate capacity? 80 Ft How much out of level, in inches, is a crane with a 48in rotation ring that is 1% off level? almost 1.5 inches If the boom swing lever is pushed forward, the boom will; could be either, depending on boom and control position If the measured radius between crane rotation point and load center is 57 ft , and the load chart only shows values at 55 ft and 60 ft, which value would be used? 60ft Jib forestay and backstay pendant lines should be; of equal length or the backstay pendant lines should be longer On load charts with the upper and the lower numbers divided, the upper numbers are in the range that mean the crane will do what if it is overloaded? structurally fail Specific details on calculating the weight of a crane components to set up for a safe lift are found in load chart data T or F A crane that has been overloaded,resulting in structural failure, will always have the breakage show immediatley false T or F A method of determining when a crane is nearing overload is to watch for the outrigger to slightly lift off the floats(the first sign of tipping) False T or F A signal person must be used if a crane can swing within the limit of approach of a power transmission line true T or F After a load is off the ground and boom