Exam (elaborations)
MA 4B Hoisting Questions and Answers 2024 Correct
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Exam of 3 pages for the course mass hoisting at mass hoisting (MA 4B Hoisting)
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MA 4B HoistingWhat attaches the auger to the drill? - answer A Screw or Pin
Maximum safe travel speed of a side boom? - answer5mph
What is the purpose of flights on an auger? - answer Remove the spoils from the hole
What is the purpose of mud in a drilling operation? - answer To cool the drill and
stabilize the hole
How are the spoils removed from the flights? - answer By swinging the machine away
from the hole, lower to the ground and reverse the drill
What are the auger flights attached by? - answerWelds
What is the purpose of shear pins? - answerProtects the auger on a post hole digger
How often should you check the head on a caisson drill? - answerAfter every hole
When is it safe to extend the boom of a concrete truck? - answerWhen the out riggers
are fully extended and on firm, level ground
What must be used on every piece of a reducer or rubber hose? - answerSafety cable
or strap
What is a thrust block used for? - answerIt supports the weight of vertical sections in
vertical runs
How far must you stay away from electrical lines with a concrete pump? - answer17ft
Where is a clog most likely to occur? - answerAt the reducer
Minimum distance to stay clear of power lines during side boom operations - answer10ft
What is the primary cause of injuries to side boom operators? - answerImproper
mounting and dismounting of the machine
520 CMR 6.00 - answerTo protect the citizens of the commonwealth
How soon must DPS be notified of a death? - answerWithin 1 hour
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