NCCCO CORE FINAL PAPER QUESTIONS AND ANSWERS

NCCCO CORE FINAL PAPER QUESTIONS AND ANSWERS

GUARANTEE A+ /

✔✔What must an operator do when an operator leaves the controls of the crane from an extended period of time? - ✔✔Apply all brakes and dogs, and lower the load to the ground

✔✔When should a tag line be used, during the hoisting of material? - ✔✔When the rotation of the load would be dangerous

✔✔What percentage of the rated capacity of a mobile crane must be used when lifting with two cranes attached to the same load? - ✔✔75%

✔✔When lifting a load with two mobile cranes, it is very important to: - ✔✔Keep the hoist lines of both cranes vertical

✔✔If lifting a load with two mobile cranes of different rated capacities, the crane with the larger rated capacity should: - ✔✔Be hooked at a distance closer to the loads center of gravity

✔✔When performing a multiple crane lift is is important for the operator's of each crane to understand that: - ✔✔The weight may increase if the other crane lands the load

✔✔When lifting loads that are submerged under water with a mobile crane, what is one of the conditions that the operator should be familiar with? - ✔✔Load will increase when lifting the load out of the water

✔✔When lifting over water with a personnel platform, what are the occupants of the platform required to wear? - ✔✔A floatation device

✔✔What is the minimum pitch diameter used for sheaves in a boom hoist reeving system using rotation resistant wire rope? - ✔✔Not less than 18 times rope diameter

✔✔When can capacity altering modifications be made to mobile cranes? - ✔✔When permission is given by the crane manufacturer

✔✔A crane is at the point of instability when the crane's leverage on the load equals: - ✔✔100% of the load's leverage on the crane

✔✔Who must determine maximum speed for a mobile crane to travel with a suspended load? - ✔✔The competent person

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✔✔When traveling with a suspended load on a mobile crane climbing an incline, the load should be carried in which direction? - ✔✔Uphill

✔✔Which mobile crane boom configuration can cause the most hazardous side-loading condition for the crane? - ✔✔Long boom with minimum radius

✔✔When preparing to hoist a load, the load block hook should be positioned: - ✔✔Directly above the load's center of gravity

✔✔When making a lift on outriggers, the maximum ground-bearing pressure occurs in which boom position? - ✔✔Over the corner

✔✔When personnel platforms are hoisted with a mobile crane what item listed below must be provided? - ✔✔And anti two-block device

✔✔Personnel platforms suspended on the hook of a mobile crane, must not exceed what percentage of a crane's capacity at any given radius? - ✔✔50%

✔✔When proof testing a personnel platform to 125% of its rated capacity, how long must the platform be suspended? - ✔✔5 minutes

✔✔Which of the following correctly states the requirements for hooks used to hoist employees on a crane- supported personnel platform? - ✔✔Hooks shall have a latch that closes and locks

✔✔OSHA permits hoisting of personnel by a crane as long as the employer can show: - ✔✔There is no less hazardous or practical way

✔✔Before lifting an occupied personnel platform on a job site the crew must ensure they perform which of the following? - ✔✔Must attend a pre- lift meeting Must fully deploy all outriggers Must preform a trial lift

✔✔Which of the following standards or regulations governs the lifting of personnel in construction? - ✔✔OSHA 1926. 1431

✔✔According to OSHA 1926.1431, which device listed below must be attached to the crane? - ✔✔Anti-two-block

✔✔According to OSHA 1926.1431, which of these hoist options is prohibited? - ✔✔Hoist free fall

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