NCCCO Telescopic Boom Crane - Fixed Cab (TSS) Mobile Crane Summer Exam Review Questions and Answers 100% Pass 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, the load radius will: - Answer>>Increase.
Most crane manufacturers reduce load capacity for duty-cycle
operations because: - Answer>>Side-loading forces may occur.
On whose recommendations should preventative maintenance
program be set-up: - Answer>>C rane 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 horizontal and set the indicator at 0º.
The red area of a instrument gauge means: - Answer>>A
dangerous condition exists.The best way to keep people from being injured from the counterweight of
crane is to: - Answer>>Fence or barricade the tail swing area of
the crane. 1 / 2
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 signal person 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.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 required to be on a hydraulic crane in order for it to lift a manbasket? - 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 to the horizontal, the
greater the tension.
Backward stability of a crane is tested with: - Answer>>Basic
boom at maximum angle with no load.If not listed in the load/capacity charts for the hydraulic crane and you are in between boom lengths, you should:: - Answer>>Use the next longer or shorter length (the lower capacity).
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