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NCCCO TEST 2 WITH
ANSWERS UPDATE
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 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 1 / 2
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 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 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 15,100
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
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