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What is the correct method of checking the brakes of crane that has been already
- answer>>Lift the load a few inches off the ground and apply the assembled?
brakes
A long boom crane working at minimum radius and 3 degrees out of level will 50% have a loss of capacity by; - answer>>
The lattice boom is designed to take winds of up to 20 mph. from the side plus a full rated load, plus a direct side load equal to what percent of the rated load? - 2% answer>>
The part of the load chart governed by stability is based on what percentage of capacity while a crawler crane is working over the side quadrant? - answer>>A.75%
When handling boom sections, the best place for slings to be attached is; - At the pin connections at the ends of the top chords answer>>
Placing timber blocking under the tips of the tracks on a crawler crane will; - Make the crane more stable answer>>
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What is the major effect of stopping suddenly a rapid swing while operating long Action may cause the crane boom collapse and/or boom crane? - answer>> overturn the crane
According to B30.10 hooks shall be removed from service when the throat opening >>5% exceeds _____ the original throat opening. - answer
Over On a crawler crane ground bearing pressure is greatest where? - answer>> the corner
During disassembly of a long boom, the pendant lines are connected at the maximum cantilever point and the boom is slightly lifted off the ground, which The bottom pins ahead boom connection pins are to be removed next? - answer>> of the cantilever point
Most crane manufactures require the load chart capacities must be reduced when 20 mph wind speed reaches; - answer>>
The boom The definition of cantilever of a lattice boom crane is; - answer>> suspended past the pendant connections
List chart What chart do you use when operating a crane on a barge; - answer>>
According to OSHA, Jibs must have a positive ________ from backwards Stop overturning - answer>>
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