Crane Test Questions and Answers | Latest Update | 2024/2025 | Already Passed

Crane Test Questions and Answers | Latest Update | 2024/2025 | Already Passed A frequent inspection or pre-operational inspection is: The responsibility of the crane operator A multi-crane lift plan must include the following requirements: All personnel involved in the operation must be qualified to perform their duties All personnel must be instructed in all phases of the operation The ground or supporting surface must be capable of supporting the weight of both the crane and its load All cranes must be set up on mats or blocking All cranes must be level and positioned properly The load weight imposed on each crane must be accurately determined Each crane's net capacity must be determined exactly All movements must be made in a slow and controlled manner Consider reducing each crane's net capacity All running ropes should be: Inspected at least daily Avoid setting up near buildings under construction and... near trenches, excavations, shoring locations, underground pipes, sewers, tanks,... Backward stability factors Operating over the side, no load, shortest boom length maximum boom angle, and load on wheels Blocking should be at least... three times the surface area of the pad and be bolted together without gaps between the blocks Blocks that are not symmetrically reeved will: Tilt Boom angle is: The angle between the center line of the base boom and the horizontal after the load is lifted Boom deflection will: Decrease boom angle and increase load radius Boom torque is minimized in multi-part reeved systems, if... the parts of line are evenly distributed on either side of the boom center line. Capacity charts are normally divided by: Using a bold line, asterisks, or shaded area Capacity is limited by: The lowest rated component Check the crane for: Boom sway, droop, bulges, creases, waviness, worn wearpads, hydraulic leaks, and the poor condition of the sheaves, pendants, end fittings, hoist ropes, outriggers, and frame. All can lower capacity Crane's leverage Crane weight times the horizontal distance from the center of gravity to the tipping axis Cranes should be set up a safe distance from buildings under construction, since... the surrounding ground is often infill and a poor support