NCCCO CORE QUESTIONS AND ANSWERS | LATEST UPDATE | 2024/2025 | GRADED A+

NCCCO CORE QUESTIONS AND ANSWERS | LATEST UPDATE | 2024/2025 | GRADED A+ A crane is at the point of instability when the crane's leverage on the load equals: 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: increases A sudden start or stop of the hoisting function while operating a mobile crane can produce a: dynamic load Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? Collapsing the boom. According to ASME which of the following listed below shall NOT be used for the suspension system on suspended personnel platforms? Synthetic web bridle According to OSHA , for power lines rated 100kV the minimum clearance between the crane and any lines shall be? 15 feet w/encroachment precautions According to OSHA , when operating near high voltage power lines, what clearance shall be required when the rating of the lines is 275kV? 20 feet w/encroachment precautions According to OSHA 1926, 1431, at wind speed must a qualified person be consulted? 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: 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? 6ft According to OSHA 1926. 1431, during personnel platform hoisting operations access gates NOT swing in which direction? Outward According to OSHA 1926. 1431, while hoisting a personnel platform, what weather condition listed below will promptly discontinue the operation? Dangerous According to OSHA 1926.1431, which device listed below must be attached to the crane? Anti-two-block According to OSHA 1926.1431, which of these hoist options is prohibited? Hoist free fall According to OSHA table T, what is the minimum clearance for 133kV power lines? 10ft According to OSHA when is it safe to hoist loads with a mobile crane below energized power lines? When the fully extended boom can't reach the prohibited zone. According to OSHA, each series of voice signals contain