Mobile Crane Review Questions | 100% Correct Answers | Verified | Latest 2024 Version

What is the purpose of placing mats or cribbing under or cribbing under outrigger floats? - Distribute the force over a larger area. Where is the best location for leveling a crane? - Upperworks. (A revolving frame of equipment on which operating machinery are mounted along operator's can) Before leveling a mobile crane on outriggers, an operator should ensure: - There is no weight of the crane bearing on any tires. Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - Keeping a 90 degree angle between cylinder rod and pad. When may blocking (cribbing) be placed under outrigger beams on mobile cranes? - Never approved. Mobile cranes should be level to within what percent of grade? - 1 % Timber crane mats work best when they are: - Bolted together When arriving in the crane at the job site, the operator should first determine the condition of the: - Access roads What surface listed below would Not be a good location for assembly or setup of a mobile crane? - A. Above compacted fill B. Above highway asphalt C. Above underground vaults D. Above highway concreteEach outrigger pad and its blocking should be sufficient to support? - The total weight of the crane and its load. How does high wind affect a mobile crane with a long boom? - Introduces side load onto the boom When is the only time the outrigger beams should be less than fully extended? - The load chart indicates that this is allowed (always make sure that it is safe first) What is the primary purpose for a rooster sheave or auxiliary boom po