NCCCO 6 EXAM QUESTIONS AND

NCCCO 6 EXAM QUESTIONS AND

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What effect does the proper use of mats, blocking or cribbing, and outriggers or crawlers have to the suitability of the supporting surface. - ANSWERSBetter distributes and lessens loads on the supporting surface

Pre-operational inspections are necessary and required: - ANSWERSTo enhance

cranes safety by discovering discrepancies prior to operating When assembling or dismantling lattice booms, it is safe to work under the boom: - ANSWERSNone of the above Why use mats or cribbing? - ANSWERSTo reduce ground pressure When installing the boom pins, the pin should be pointing: - ANSWERSOut away from boom center The proper way to calibrate a boom angle indicator is: - ANSWERSUsing a level, raise the boom to horizontal and set the indicator at 0 degrees.. During disassembly of a long boom, the hog lines are connected at the maximum cantilever point and the boom is slightly lifted off the ground. Which pins are to be removed next? - ANSWERSThe bottom pins ahead of the cantilever point When assembling a crane you can lift the boom sections by rigging the chokers around? - ANSWERSNone of the above Where is the best location for leveling a crane? - ANSWERSUpperworks During setup how do you determine machine clearances (counterweight, boom, and outrigger)? - ANSWERSMeasure for correct distance What is not a good location for crane setup? - ANSWERSAbove utilities

All hazards and potential problems should be discovered during the: - ANSWERSa.

Pre-lift site inspection When setting up a crane in an area that has public access you should barricade: - ANSWERSThe working radius Blocking can be placed under the ends of tracks to: - ANSWERSincrease the crane's stability when operating over front or back

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