NCCCO CORE QUESTIONS AND

NCCCO CORE QUESTIONS AND

ANSWERS | LATEST UPDATE |

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

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According to OSHA 1926 1408, for power lines rated 100kV the minimum clearance between the crane and any lines shall be? ✔✔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? ✔✔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

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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 how many elements? ✔✔Three

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

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