NCCCO Test 2: 50 Questions and Answers for Crane Operators, Exams of Mobile Computing

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NCCCO TEST 2|| 50 QUESTIONS||

CORRECT ANSWERS|| LATEST UPDATE

2024!!.

When making a multiple crane lift, it is important for the operator to understand that: - ANSWER The weight may increase if the other crane lands the load If a crane is not set-up level and the operator swings a load from the high side to the low side, the load radius will: - ANSWER Increase Most crane manufacturers reduce load capacity for duty-cycle operations because: - ANSWER Side loading forces may occur On who's recommendations should a preventative maintenance program be set- up? - ANSWER Crane manufacturer What is the standard rope used on most cranes? - ANSWER Right regular lay The proper way to calibrate a boom angle indicator is: - ANSWER Using a level, raise the boom to horizontal and set the indicator at 0 degree. The red area of an instrument gauge means: - ANSWER A dangerous condition exists

When testing a man basket how long must the test pick be maintained? - ANSWER 5 minutes What is the minimum pitch diameter for load hoisting sheaves? - ANSWER Not less than 18 times rope diameter What is the minimum pitch diameter for boom hoisting sheaves? - ANSWER Not less than 15 times rope diameter What is the minimum pitch diameter for load block sheaves? - ANSWER Not less than 16 times rope diameter Seat belts shall be provided on what cranes? - ANSWER Cherry Pickers Power is transferred to the swing through a - ANSWER Pinion gear LMIs shall be installed on cranes with a lifting capacity of: - ANSWER 3 ton and above When lifting personnel, the cranes hook must be the type that: - ANSWER can be closed and locked When working over water with a man basket, are the people inside required to wear a belt/harness? - ANSWER No harness or belt required The best way to keep people from being injured from the counterweight of the crane is to: - ANSWER Fence or barricade the swing area of the crane

Only approved attachments or extra counterweights made by the manufacturer should be placed on the rear of the crane because: - ANSWER They could cause a backward stability problem What is the first thing an operator should do before going under a low pipe rack? - ANSWER Post a signalperson to check clearance When working on outriggers, the only time they should be less than fully extended is when: - ANSWER There is a load chart for this operation On the majority of conventional cranes, the power is transferred to the torque converter by a: - ANSWER Master clutch During disassembly of a long boom, the hog lines are connected at the maximum cantilever point and the boom is slightly lifted off the ground. Which pins are to be removed next? - ANSWER The bottom pins ahead of the cantilever point When using load/capacity charts, what does the term 'A jib angle to ground' refer to? - ANSWER Main boom angle minus the jibs offset A truck crane, with outriggers properly set, is rated at what percentage of its tipping capacity? - ANSWER 85% On a truck crane with the outriggers extended and set, and tires touching the ground, the operator should refer to what load chart? - ANSWER On rubber chart

Crane hooks must not be twisted in excess of: - ANSWER 0 degrees When lifting loads from the water, the operator should be aware that: - ANSWER The load will increase when you pick the load from the water What is require to be on a Hydraulic Crane in order for it to lift a man basket? - ANSWER Boom length indicator When working on rubber, cranes are rated at what percentage of tipping? - ANSWER 75% When using cable or nylon spreaders, it is important to remember: - ANSWER The lower the spreader angle the greater the tension Backward stability of a crane is tested with: - ANSWER Basic boom at maximum angle with maximum load If not listed in the load/capacity charts for a hydraulic crane, and you are in between boom lengths, you should: - ANSWER Use the next longer length or shorter with less capacity When a spinning load presents a danger, the operator should: - ANSWER Use a tagline The jib capacity is 8 tons and the ball weighs 900 lbs. What is the heaviest load that can be lifted safely? - ANSWER 15, Parts of line means: - ANSWER The number of lines running thru the load block

If a jib is erected but not being used, it is treated as a deduction from the cranes: - ANSWER Gross capacity What is the maximum number of broken wires before replacement on a standing wire rope? - ANSWER 2 What is the maximum advisable wind speed for crane operation? - ANSWER 30 mph mobile When working near power lines, where should caution stickers be installed? - ANSWER At operators station and on the outside of the crane What is the allowable jib back lash? - ANSWER 5 degrees Cranes must be level to within _________% grade - ANSWER 1% A frequent inspection is: - ANSWER daily to monthly A periodic inspections is: - ANSWER monthly to annually Test loads shall not exceed _________ of manufacturing load ratings. - ANSWER 110% Cranes idle for more than 6 months must have _____ inspections performed. - ANSWER Frequent and periodic

Cranes idle for less than 6 months must have what type of inspection performed?

• ANSWER Frequent Cranes lifting personnel platforms must have an inspection performed every: - ANSWER day What are most jibs capacities based on? - ANSWER Structural A crane hooks throat open must not exceed: - ANSWER % What is the jib offset? - ANSWER Jib angle to the boom