General crane safety fully solved graded A+ 2023/2024
General crane safety The minimum crane team for a mobile crane on outriggers would consist of- A) The Crane Operator, Rigger Supervisor, and Crane Rigger B) The Crane Operator, Crane Supervisor, Rigger Supervisor, and Crane Rigger C) The Crane Operator, Crane Supervisor, and Crane Rigger D) The Crane Operator and Rigger-in-Charge E) The Crane Operator, Crane Walker, and Crane Rigger - correct answer C) The Crane Operator, Crane Supervisor, and Crane Rigger When operating floating cranes, you must start swinging or rotating quickly and stop smoothly to prevent excessive barge list. A) True B) False - correct answer B) False Extending a telescoping boom without lowering the hoist may result in "two-blocking" the crane. A) True B) False - correct answer A) True All of the following require a license to operate EXCEPT a(n)- A) Cab-operated category 3 bridge crane B) Mobile hydraulic truck crane C) Non-cab operated category 3 bridge crane D) Articulating boom category 4 crane E) Floor-operated category 2 bridge crane - correct answer C) Non-cab operated category 3 bridge crane Which of the following lift types would NOT be considered a complex lift? A) Multiple-crane lifts B) Oxygen/Acetylene bottles in racks designed for lifting O C) Large geometric shapes D) Loads with multi-level attachment points E) Hazardous or explosive materials - correct answer B) Oxygen/Acetylene bottles in racks designed for lifting What is the minimum amount of rope that shall be on a grooved drum and a smooth drum? A) There is no minimum B) 4 full wraps, 2 full wraps C) 2 full wraps, 3 full wraps D) 6 full wraps, 4 full wraps E) 1 full wrap, 2 full wraps - correct answer B) 4 full wraps, 2 full wraps The horizontal distance from the center of rotation of the crane to the center of the hoist line(s) with load applied is called A) Boom Length B) Radius C) Lift Zone D) Quadrant E) Circumference - correct answer B) Radius What is two-blocking, and why is two-blocking dangerous? A) Two-blocking occurs when the hook contacts another block or hook on the crane. It is dangerous because the hook could damage the crane, causing loss of load control. B) Two-blocking occurs when the block or hook contacts the ground. It is dangerous because the wire rope may come off of the drum and drop the block. C) Two-blocking occurs when the hook block comes in contact with the upper sheave block during hoisting of the hook. It is dangerous because it could result in damage to the crane, parting of the hoist lines, and dropping the load. - correct answer C) Two-blocking occurs when the hook block comes in
École, étude et sujet
- Établissement
- Crane Safety
- Cours
- Crane Safety
Infos sur le Document
- Publié le
- 1 décembre 2023
- Nombre de pages
- 31
- Écrit en
- 2023/2024
- Type
- Examen
- Contient
- Questions et réponses
Sujets
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