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NCCCO Core Exam Outline ( / ) Questions with Correct Answers Rated A+
These materials should be used when setting up on soft surfaces such as soft ground, asphalt or backfilled material - correct answer -timber or steel
On crawler cranes, which boom position creates the greatest ground pressure - correct answer - over the corner
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. - correct answer -blocking
Blocking should be at least how many times the surface area of the float - correct answer -3
Overhead power lines must be considered to be in this condition until electrical authorities indicate otherwise - correct answer -energized
No part of the crane or load must ever enter this area around an energized power line - correct answer -prohibited zone
The prohibited zone must be enlarged as this increases - correct answer -kv
What minimum distance does osha require be maintained when voltage up to 350 kv is unknown - correct answer -20 foot
What minimum distance is required if the voltage is over 350 kv and unknown - correct answer - 50 foot
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This person must be appointed any time the crane is working within a boom's length of the prohibited zone - correct answer -qualified signal person
The use of these should be avoided when lifting near power lines, however if necessary should be non-conductive type - correct answer -tag lines
Avoid operating cranes or handling materials in this area of power lines - correct answer -above power lines
What does an operator do if the crane comes in contact with a power line - correct answer - remain in the cab
If it is necessary to leave the crane cab before power lines are de-energized after contact, how does the operator exit the cab - correct answer -jump
A crane can also become electrically charged when working close to these (radio, microwave, cell) - correct answer -transmission towers
Before traveling on site with a load, be sure that this is allowed by the - correct answer - manufacturer
Ensure the boom low enough when traveling with a load to avoid the possibility of this - correct answer -backward collapse
Always travel in this direction when traveling with a load - correct answer -toward the load
Most manufacturers do not permit travel with a load when the boom is in these settings - correct answer -boom extension, jib, or pinned section
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