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NCCCO Core Exam | Practice Questions and Answers Rated A+ |
Most manufacturers do not permit travel with a load when the boom is in these settings
- Correct Answer - Boom extension, jib, or pinned section
- Correct Answer - Raised
- Correct Answer - Lowered
- Correct Answer - Controlling entity
- Correct Answer - Controlling entity 1 / 2
To prevent a lattice boom crane from tipping forward, the boom should be in this position before traveling down an incline
To prevent a lattice boom crane from tipping backwards, the boom should be in this position when traveling up an incline
Responsible for seeing that the ground conditions are adequate to support the equipment.
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)
Responsible for establishing a system to coordinate the operations of two cranes that operate within each other's working radius
- Correct Answer - Controlling entity
- Correct Answer - Key items of inspection
- Correct Answer - Access to job site
- Correct Answer - Leveling the crane
- Correct Answer - 90 degrees
- / 2
hoist rope & reeving, op aids & safety devices, cab windows/equipment, hooks & latches, fluid levels (crankcase oil, coolant, hydraulic oil, etc.), elec equipment, leveling device, control & drive mechanisms, fire extinguisher, air/hydraulic system
firm & reasonably level surface, no buried pipes, utilities, sewers, tanks, etc.
Important to accomplish when setting up a crane on a grade
Load chart capacities are based on the crane being level within this percentage - Correct Answer - 1% Use this tool placed under or close to the boom foot for an accurate measure of level - Correct Answer - carpenter's level Swing the boom to this degree over the side and check for level again
the point where the entire weight of a body can be considered concentrated so that, if supported at this point, the body would remain in equilibrium in any position - Correct Answer - Center of gravity
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