Crane Course questions and answers graded A+

Crane Course Which of the following can affect the crane's capacity? - correct answer The horizontal distance from the center of rotation of the crane to the center of the hoist lines w/ load applied: - correct answer Radius A crane accident occurs when any element of the crane operating envelope fails to perform correctly during crane operation maintenance, or testing which could result in any of the following EXCEPT: - correct answer Which of the following lifts types would NOT be considered a complex lift? - correct answer Oxygen bottles When making personnel lifts the capacity of a mobile crane given radius is reduced by - correct answer Why should crane swing be slow? - correct answer What is a JIB BOOM - correct answer Extension The maximum capacity for a crane can be limited by the # of parts of wire rope reeved between the hook block + hoisting sheaves - correct answer If the min crane counterweight clearance cannot be achieved the crane team must: - correct answer All of the following are principal parts of an overhead travelling crane EXCEP: - correct answer Shackles and Eye Bolts What is the min requited clearance when operating a crane in the vicinity of overhead electrical transmission lines with a voltage of 50,000 volts or less? - correct answer New shackles put into the weight handling equipment program are required to have all of the following marking EXCEPT: - correct answer Crane Operators at Naval Activities may be required to operate various types of cranes for which they hold license. Which of the following can best assure operator proficiency and safety? - correct answer Manufacture's loading rating charts for cranes must be: - correct answer Sling angles affect the actual stress on each leg of the sling. Lowering the agle measured from the horizontal will: - correct answer When ground contitions for setting up a mobile crane are less than ideal, operators must: - correct answer If you find cracking/flaking paint on a welded joint of a structure on the boom you should: - correct answer How is electrical current conveyed from the revolving portion of the crane structure? - correct answer When operating floating cranes you must start swinging or rotating quickly and stop smoothly to prevent excessive barge list. - correct answer Componenets that provide protection for operation and maintenance personnel working on or in the paths of cranes. - correct answer Select three factors that shall be considered when selecting crane for a particular job. - correct answer "side loading" a crane boom by "dragging" loads or lifting a load with a on-vertical hoist may result in. - correct answer Any of the listed factors