MA 4B HOISTING EXAM QUESTIONS AND ANSWERS

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MA 4B HOISTING EXAM QUESTIONS AND
ANSWERS


What attaches the auger to the drill? - correct-answer -A Screw or Pin




Maximum safe travel speed of a side boom? - correct-answer -5mph




What is the purpose of flights on an auger? - correct-answer -Remove the spoils
from the hole




What is the purpose of mud in a drilling operation? - correct-answer -To cool the
drill and stabilize the hole




How are the spoils removed from the flights? - correct-answer -By swinging the
machine away from the hole, lower to the ground and reverse the drill




What are the auger flights attached by? - correct-answer -Welds

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What is the purpose of shear pins? - correct-answer -Protects the auger on a post
hole digger




How often should you check the head on a caisson drill? - correct-answer -After
every hole




When is it safe to extend the boom of a concrete truck? - correct-answer -When
the out riggers are fully extended and on firm, level ground




What must be used on every piece of a reducer or rubber hose? - correct-answer -
Safety cable or strap




What is a thrust block used for? - correct-answer -It supports the weight of
vertical sections in vertical runs




The drum diameter must not be less than __ times the rope diameter - correct-
answer -10