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NCCCO CORE Latest Update Questions and 100% Verified Correct Answers Guaranteed A+

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NCCCO CORE Latest Update Questions and 100% Verified Correct Answers Guaranteed A+

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  • August 28, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NCCCO CORE
  • NCCCO CORE
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NCCCO CORE Latest Update 2024-2025 120
Questions and 100% Verified Correct Answers
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A crane is at the point of instability when the crane's leverage on the load equals: -
CORRECT ANSWER: 100% of the load's leverage on the crane


A mobile crane's jib is offset 15º versus its original 0º offset, but the boom angle remains
unchanged. In this situation, the load radius: - CORRECT ANSWER: increases


A sudden start or stop of the hoisting function while operating a mobile crane can
produce a: - CORRECT ANSWER: dynamic load


Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major
effect? - CORRECT ANSWER: Collapsing the boom.


According to ASME which of the following listed below shall NOT be used for the
suspension system on suspended personnel platforms? - CORRECT ANSWER:
Synthetic web bridle


According to OSHA 1926 1408, for power lines rated 100kV the minimum clearance
between the crane and any lines shall be? - CORRECT ANSWER: 15 feet
w/encroachment precautions


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? - CORRECT
ANSWER: 20 feet w/encroachment precautions


According to OSHA 1926, 1431, at wind speed must a qualified person be consulted? -
CORRECT ANSWER: 20 mph

, According to OSHA 1926. 1408, the minimum clearance between any part of the crane
and power lines rated 50kV or below shall be: - CORRECT ANSWER: 10 feet
w/encroachment precautions


According to OSHA 1926. 1411, when you encounter power lines with a voltage of 44kV
and the crane is TRAVELING, according to Table T, what is the minimum required
clearance? - CORRECT ANSWER: 6ft


According to OSHA 1926. 1431, during personnel platform hoisting operations access
gates NOT swing in which direction? - CORRECT ANSWER: Outward


According to OSHA 1926. 1431, while hoisting a personnel platform, what weather
condition listed below will promptly discontinue the operation? - CORRECT ANSWER:
Dangerous


According to OSHA 1926.1431, which device listed below must be attached to the
crane? - CORRECT ANSWER: Anti-two-block


According to OSHA 1926.1431, which of these hoist options is prohibited? - CORRECT
ANSWER: Hoist free fall


According to OSHA table T, what is the minimum clearance for 133kV power lines? -
CORRECT ANSWER: 10ft


According to OSHA when is it safe to hoist loads with a mobile crane below energized
power lines? - CORRECT ANSWER: When the fully extended boom can't reach the
prohibited zone.


According to OSHA, each series of voice signals contain how many elements? -
CORRECT ANSWER: Three


According to OSHA, mobile crane load block hooks must not have a twist in excess of: -
CORRECT ANSWER: 0

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