Review Questions with correct
solutions
What is the purpose of the swing gear on an excavator? - correct answer ✔✔It connects the car
body to the tracks.
Who is responsible for inspecting a trench before anyone goes in it? - correct answer ✔✔The
Equipment Operator
What is the preferred sling angle of these angles? - correct answer ✔✔60 degrees
The top of the spoil pile is called the __________? - correct answer ✔✔Crown
A four-foot deep trench requires an additional ladder for every 25 feet of open trench. - correct
answer ✔✔25 feet
Materials must be kept back from the edge of the trench a minimum of ________? - correct
answer ✔✔Two feet
When can an inspector revoke a hoisting license? - correct answer ✔✔For failure to pay excise
tax
Who developed the MA Crane Hand Signals? - correct answer ✔✔ANSI/ASME
DOT stands for _______? - correct answer ✔✔Department of Transportation