Crane Safety questions with verified solutions rated A+
Crane SafetyCrane components - correct answer location of control and operating handles are within the operators convenient reach. The cab arrangement needs to allow the operator with full view of the load hook in all positions. Components of Cab - correct answer The cab needs to have sufficient light, either natural or artificial. Personal items - correct answer must be stored safely so they won't interfere with crane operation. Components of Bumpers - correct answer Is attached to the bridge, trolley, and runway stop. Cranes and trolleys must have bumpers to stop the bridge when travelling in either direction. Components of Rail sweep - correct answer A device located in front of the crane's leading wheels, removes obstructions from the runway. Components of guards and brakes - correct answer All exposed moving parts such as gears, chains, etc. which might constitute a hazard under normal operating conditions, must be guarded. The guard must be capable of supporting the weight of a 200 pound person. Hoisting ropes that run too close other parts need to be guarded. Holding brakes must be applied automatically when power is removed. Components of Electrical equipment - correct answer Electrical equipment must be located or enclosed. All master switches need to be appropriately labeled. Markings and Warnings - correct answer The rated load of the crane must be plainly marked on each side. If the crane has more than one hoisting unit, the rated load will be marked on each hoist or its load block. Loading Components - correct answer Never lift more than their rated load capacity, a crane's load rate capacity is based off of new equipment, and never use two pieces of equipment to lift a load greater than the rated load capacity of a single piece of equipment. Running Sheaves - correct answer Must be smooth and free from surface defects which could cause rope damage. All running sheaves must be lubricated. Ropes and Hooks - correct answer Rope must be secured to the drum with no less than two wraps of rope remaining on the drum. The rope end has to be anchored by a clamp securely to the drum. Do not operate a rope hoist when the rope is not properly seated in the groove. Load Handling - correct answer Crane itself must be stationary while load is moved by moving the trolley along the bridge. Load must be secured and balanced. When moving the load, be sure that it is well secured and properly balanced before it is lifted more than a few inches. Load Handling continued - correct answer Multiple part lines not twisted around each other, hook positioned above center of gravity of load to minimize swinging, and rope (not sling) not wrap around the load. Load handling pt. 3 - correct answer The only purpose of the hoist is to move the load straight up and down and to suspend the load. There is no sudden acceleration or deceleration of the moving load. Load Handling pt. 4 - correct answer While employee is on the load or hook, do not hoist, lower or travel, when the load or hook is near or over personnel , must be sound warning signal. Improper rigging - correct answer most important and potentially hazardous aspect of crane safety. Operators must: - correct answer ensure the load is properly secured, no loose items, remove slack from hoist line, and properly balanced load. Pre-start up testing - correct answer At the beginning of each operator's shift, test the upper limit switch of each hoist under no load conditions. Never use the hoist limit switch, which controls the upper limit of travel of the load block, as an operating control. Initial Inspection: - correct answer must be done for new or altered crane prior to initial use. Regular Service, Frequent Inspection - correct answer daily to monthly intervals
Escuela, estudio y materia
- Institución
- Crane Safety
- Grado
- Crane Safety
Información del documento
- Subido en
- 1 de diciembre de 2023
- Número de páginas
- 5
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
Temas
-
crane safety
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