Telescopic Core Questions and Answers | Latest Update | 2024/2025 | Already Passed

Telescopic Core Questions and Answers | Latest Update | 2024/2025 | Already Passed A crane loses stability when its leverage on the load is: Less than the load's leverage on the crane A mobile crane's jib is offset at 15 degrees verses its original 30 degrees offset, but the boom angle remains unchanged. In this situation, the load radius would: decrease A telescopic boom mobile crane is going to lift a personnel platform, what is required from the list below to be operational on the crane? Controlled load lowering A telescopic mobile crane is equipped with an anti two-block lock-out device. When the device is activated which functions will be disabled? Hoist, extend, the lower the boom. According to OSHA when is it safe to hoist loads with a mobile crane below energized power lines? If fully extended boom can't reach the prohibited zone. Backward stability of a mobile crane is tested in which configuration listed below? Basic boom at maximum angle with no load. Backward stability on a rough terrain mobile crane could be a problem when configured in which situation listed below? Over the side at a minimum radius. Blocking or mats under the outrigger pads/float shall be: able to sustain the load and maintain stability. How does the effective weight of a stowed extension relate to the actual weight of the extension? Lower than the actual weight. If not listed in the loadcapacity chart or notes for a telescopic boom crane and you are in between boom lengths, you should: Use the lowest shorter or longer. If working near power lines and using a tag line, which type of rope is least conductive to electricity? Polypropylene Mobile truck crane capacities are generally greater over the: rear On mobile cranes the boom angle indicator indicates what to the operator? Angle of the boom to horizontal. On mobile truck cranes operating with outriggers retracted, the least stable position is when the boom is directly over the side Rough terrain mobile crane capacities are generally greater over the front Traveling a rear engine mounted rough terrain mobile crane, with a suspended load you should position the load: over the font quadrant. Using a telescopic mobile crane and lifting off the jib with the main boom partially extended, you should use _________ to determine gross capacity. Boom Angle What devices listed below is NOT required on telescopic boom mobile cranes manufactured today? Swing path monitor. What is the design factor required when using non-rotating wire rope slings and lifting personnel in a platform suspended from a mobile crane. 10 What is the primary reason for lifting off a boom extension mounted on a mobile telescopic boom crane? Increase height. What item listed below can be removed from a carry deck mobile crane, andcontinue to be operational? Jib/fly/extension When a mobile cranes telescopic boom sections are required to be extended equally and they are not,what effect could be which of the following? Damage to the shortest extended section. When a rough-terrain crane is working on tires, backward tipping is most likely to occur when lifting which configuration Side quadrant