2024 NCCO CORE FINAL EXAM LATEST
VERSION 2024-2025 WITH QUESTIONS AND
WELL VERFIED CORRECT ANSWERS
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According to OSHA, when working near power lines when is a dedicated spotter required? - ANSWER-When crane operator is unable to see the warning line of signs
According to OSHA 1926 1408, when operating near high voltage power lines, what clearance shall be required when the rating of the lines is 275kV? - ANSWER-20 feet w/encroachment precautions
According to OSHA 1926. 1408, the minimum clearance between any part of the
crane and power lines rated 50kV or below shall be: - ANSWER-10 feet
w/encroachment precautions
According to OSHA 1926 1408, for power lines rated 100kV the minimum clearance between the crane and any lines shall be? - ANSWER-15 feet w/encroachment precautions
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The term "jib offset" can be expressed as the jib angle to which mobile crane component listed below? - ANSWER-Boom
On a mobile crane the term "parts of line" refers to which item listed below? - ANSWER-The number of lines running thru the load block and boom point sheaves
What is the design factor for grade 80 chain slings? - ANSWER-4
What grade ably steel chain should be used for hoisting slings? - ANSWER-80
Loads rigged using a basket hitch should be ____ to prevent slippage. - ANSWER- Balanced
When slings encounter sharp edges on loads to be lifted, riggers shall ensure that
slings are: - ANSWER-Protected or padded
According to OSHA, quadruple sling bridle ratings are the same as - ANSWER- triple sling bridle ratings
Which statement listed below is correct about basic load rigging? - ANSWER-As horizontal load angle decreases, stress increases
The approximate percentage of strength of choker, vertical, and basket hitches
respectively are: - ANSWER-75%, 100%, 200%
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