NCCCO tower crane exam 2024-2025 questions and answers who determines the correct hoist wire rope to be installed on tower cranes - ANSWER>>Manufacturer Central ballast blocks must be distributed around the tower base - ANSWER>>Equally According to the Tower Crane Reference Manual how often should the hoist wire rope be lubricated - ANSWER>>200 hours of operatin According to the Tower Crane Reference Manual using the twist free wire rope the twist compensator should generally be - ANSWER>>Open Tower Crane Load hooks must be inspected each time crane is erected or once every - ANSWER>>Year When installing a wedge socket with wire rope how long should the tail length of the dead end be using standard 6 to 8 strand rope - ANSWER>>6 What is the task of high tensile bolt connections between tower sections - ANSWER>>Connecting components and transmitting forcesWhat grade alloy steel chain should be used for crane hoisting slings - ANSWER>>80 OSHA 1910.184 According to ASME B30.3 using rotation resistant running rope on a tower crane how many broken wires in six rope diameters can you have to leave it in service. - ANSWER>>1 ASME 3-2.4.3(b)(2) According to ASME B30.3 a periodic inspection of a tower cranes wire