What is the purpose of the swing gear on an excavator? - Answer: It connects the
car body to the rails.
Who is responsible for examining a trench before anyone gets in it? ANSWER:
The equipment operator
What is the preferred sling angle? - ANSWER 60*
The top of the spoil pile is called the crown.
A four-foot-deep trench requires one additional ladder for each _ of the open trench
- the answer is 25 feet.
Materials should be maintained at least two feet away from the edge of the trench.
When can an inspector cancel a hoisting licence? ANSWER: Failure to pay excise
tax.
Who originated the ma crane hand signals? ANSWER: ANSI/Asme
Dot stands for ANSWER Department of Transportation.
When do you do your walkaround of the equipment? ANSWER: Before you start
it.
,In the one-to-one sloping ratio, what does the second one indicate - depth or
vertical rise?
On a track machine, the gears should be in the rear.
When load levelling, when do you deploy your stabilizers? ANSWER: Before you
do the lift.
ANSWER: When backfilling an excavation, employ a small lift and shade the
ditch.
In the state of Massachusetts, what conditions necessitate a hoisting license -
ANSWER More than 500 pounds
Height greater than 10 feet.
Bucket larger than 1/4 yard.
What type of safety mechanism is not utilized on de-energized circuits? ANSWER
Lockout tag out total de-energization.
What time should you contact the Department of Public Safety if a fatality occurs?
ANSWER Within one hour.
How many pounds in one ton? - ANSWER 2000
, All welding and cutting on hoisting equipment shall be done in accordance with the
requirements of what - ANSWER AWS, ASME codes
What should be checked on a daily basis? ANSWER Fluid levels, hoses, tires,
belts, horn backup system, brakes, and controls.
What action does a signal person wish the operator to perform if he extends his arm
at shoulder height, makes a fist, and points his thumb up? ANSWER: Boom up.
What type of protections should be supplied to operators? ANSWER: Weather
protection.
Safety glass
Heat in chilly temperatures.
Overhead protection.
What legislation governs hoisting equipment in the state of Massachusetts -
ANSWER Chapter 146 of General Laws, 530 CMR Section 6
ANSWER: To test the load brake on a LULL, lift the weight just off the ground
and return the boom handle to the neutral position.
How do you find the weight of a load? ANSWER Shipping paperwork
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