NCCCO tower exam 7 | Questions and Correct Solutions | Latest Update 2024/2025 | Graded A+

NCCCO tower exam 7 | Questions and Correct Solutions | Latest Update 2024/2025 | Graded A+ When tower crane is erected/dismantled, written instructions must be - Answer -On site Tower crane erection/dismantling shall be performed under direct supervision of the - Answer -Designated person What is the minimum clearance from obstruction when the tower crane freely rotates 360•? - Answer -6 ft 6 in What must the crane operator do when a load is suspended - Answer - Remain at the controls How often should the hoist rope be lubricated? - Answer -Every 200 hours If block is twisted, it may be necessary to fix the ______________ and make a few empty runs with the hook and trolley and then reopen - Answer -Twist compensator How many wraps shall be on the drum when the block is at its lowest point - Answer -3 The radius on a crane chart refers to - Answer -Center of rotation to center of gravity of load or hookWhat would cal for a running rope to be tak