NCCCO TEST 2 questions and answers \ A+ Grade
When making a multiple crane lift, it is important for the operator to understand that:
- correct 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:
- correct answer Increase
Most crane manufacturers reduce load capacity for duty-cycle operations because:
- correct answer Side loading forces may occur
On who's recommendations should a preventative maintenance program be set-up?
- correct answer Crane manufacturer
What is the standard rope used on most cranes?
- correct answer Right regular lay
The proper way to calibrate a boom angle indicator is:
- correct answer Using a level, raise the boom to horizontal and set the indicator at 0 degree.
The red area of an instrument gauge means:
- correct answer A dangerous condition exists 1 / 2
The best way to keep people from being injured from the counterweight of the crane is to:
- correct 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:
- correct answer They could cause a backward stability problem
What is the first thing an operator should do before going under a low pipe rack?
- correct answer Post a signalperson to check clearance
When working on outriggers, the only time they should be less than fully extended is when:
- correct answer There is a load chart for this operation
When lifting loads from the water, the operator should be aware that:
- correct 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?
- correct answer Boom length indicator
When working on rubber, cranes are rated at what percentage of tipping?
- correct answer 75%
When using cable or nylon spreaders, it is important to remember:
- correct answer The lower the spreader angle the greater the tension
Backward stability of a crane is tested with:
- correct 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:
- correct answer Use the next longer length or shorter with less capacity
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