NCCCO Core Exam Outline 99 Questions and

NCCCO Core Exam Outline | 99 Questions and Answers 100% Correct - | Graded A+ Timber or steel - Answer These materials should be used when setting up on soft surfaces such as soft ground, asphalt or backfilled material

Over the corner - Answer On crawler cranes, which boom position creates the greatest ground pressure

Blocking - Answer 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.

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

Energized - Answer Overhead power lines must be considered to be in this condition until electrical authorities indicate otherwise

Prohibited zone - Answer No part of the crane or load must ever enter this area around an energized power line

kV - Answer The prohibited zone must be enlarged as this increases

20 foot - Answer What minimum distance does OSHA require be maintained when voltage up to 350 kV is unknown

50 foot - Answer What minimum distance is required if the voltage is over 350 kV and unknown

Qualified signal person - Answer This person must be appointed any time the crane is working within a boom's length of the prohibited zone

• / 2

Tag lines - Answer The use of these should be avoided when lifting near power lines, however if necessary should be non-conductive type

Above power lines - Answer Avoid operating cranes or handling materials in this area of power lines

Remain in the cab - Answer What does an operator do if the crane comes in contact with a power line

Jump - Answer 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 - Answer A crane can also become electrically charged when working close to these (radio, microwave, cell)

Manufacturer - Answer Before traveling on site with a load, be sure that this is allowed by the

Backward collapse - Answer Ensure the boom low enough when traveling with a load to avoid the possibility of this

Toward the load - Answer Always travel in this direction when traveling with a load

Boom extension, jib, or pinned section - Answer Most manufacturers do not permit travel with a load when the boom is in these settings

Raised - Answer To prevent a lattice boom crane from tipping forward, the boom should be in this position before traveling down an incline

Lowered - Answer To prevent a lattice boom crane from tipping backwards, the boom should be in this position when traveling up an incline

• / 2