NCCCO Core Exam Outline QUESTIONS AND ANSWERS 100% CORRECT!
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Course
NCCCO Core Exa
Institution
NCCCO Core Exa
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.
3 - ANSWER Blocking should be at least how many times the surface area of the float
Energized - ANSWER Overhead power lines must be cons...
, NCCCO Core Exam Outline QUESTIONS
AND ANSWERS 100% CORRECT!
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.
3 - 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
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
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