NCCCO Core Exam Outline Questions with Correct

NCCCO Core Exam Outline Questions with / Timber or steel - These materials should be used when setting up on soft surfaces such as soft ground, asphalt or backfilled material Over the corner - On crawler cranes, which boom position creates the greatest ground pressure Blocking - Allows the weight of the crane and load to be distributed over a greater surface area. Should be used under outrigger floats at all times.

• - Blocking should be at least how many times the surface area of the float

Energized - Overhead power lines must be considered to be in this condition until electrical authorities indicate otherwise Prohibited zone - No part of the crane or load must ever enter this area around an energized power line kV - The prohibited zone must be enlarged as this increases 20 foot - What minimum distance does OSHA require be maintained when voltage up to 350 kV is unknown 50 foot - What minimum distance is required if the voltage is over 350 kV and unknown Qualified signal person - This person must be appointed any time the crane is working within a boom's length of the prohibited zone Tag lines - The use of these should be avoided when lifting near power lines, however if necessary should be non-conductive type Above power lines - Avoid operating cranes or handling materials in this area of power lines 1 / 2

Remain in the cab - What does an operator do if the crane comes in contact with a power line Jump - If it is necessary to leave the crane cab before power lines are de-energized after contact, how does the operator exit the cab transmission towers - A crane can also become electrically charged when working close to these (radio, microwave, cell) Manufacturer - Before traveling on site with a load, be sure that this is allowed by the Backward collapse - Ensure the boom low enough when traveling with a load to avoid the possibility of this Toward the load - Always travel in this direction when traveling with a load Boom extension, jib, or pinned section - Most manufacturers do not permit travel with a load when the boom is in these settings Raised - To prevent a lattice boom crane from tipping forward, the boom should be in this position before traveling down an incline Lowered - To prevent a lattice boom crane from tipping backwards, the boom should be in this position when traveling up an incline Controlling entity - Responsible for seeing that the ground conditions are adequate to support the equipment.Controlling entity - Responsible for informing the user and the operator of the equipment of the location of hazards beneath the equipment set-up area (such as voids, tanks, utilities)

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