COMPLETE 250 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
T or F: Hydraulic fluid compresses when heated - ANSWER: False it expands
T or F: One should check the hydraulic fluid level annually - ANSWER: False, needs to
be checked everyday
T or F: According to MA law equipment that lifts 10ft high and over 400 lbs or 1/4 of
a cubic yard of material requires a hoisting license - ANSWER: False, 500 lbs is the
limit
you must call OPSI within what time period of an accident resulting in death occurs -
ANSWER: 1 hour
what is the fine for operating without a license - ANSWER: $500-$3,000 or 3 months
in jail
what is the minimum distance from a powerline? - ANSWER: it all depends on the
voltage
T or F: operator manuals must be kept in the office - ANSWER: False
How often must a hoisting license be renewed? - ANSWER: every 2 years
What state department enforces hoisting laws? - ANSWER: OPSI: Office of Public
Safety and Inspections
T or F: when traveling the front bucket should be low and curled back - ANSWER:
True
T or F: when digging across a slope the spoil pile should be placed down the slope -
ANSWER: False
T or F: It's not ok to straddle an open trench - ANSWER: True
How often must a machine be inspected? - ANSWER: Daily
What must you do if you dig up a gas line? - ANSWER: Let gas vent, evacuate the
area, extinguish all flame if possible, call gas company and 911
If your machine comes into contact with a powerline what should you do? -
ANSWER: if you cannot stay put, hop from machine with both feet together and hop
or shuffle with feet touching
, When is protection required for a trench? - ANSWER: 5 feet or ask the competent
person
Per OSHA, who must classify soil? - ANSWER: Competent person
What protection does shoring provide in a trench? - ANSWER: Prevents cave ins and
adds material for protection
A Trench box is a type of: - ANSWER: Shielding Device
T or F: Sloping removes material for protection - ANSWER: True
T or F: The larger the grain size the less stable the material - ANSWER: True
T or F: Type B soils require a 1:1 slope ratio - ANSWER: True
T or F: It's ok to leave spoil piles right up against the edge of a trench - ANSWER:
False
T or F: Suffocation only occurs when a person's face is buried in a cave in - ANSWER:
False, you limbs can suffocate you aswell
At what depth does a trench require a ladder every 25 feet? - ANSWER: 4 feet deep
T or F: Ladders must extend above the trench 3 feet - ANSWER: True
Can you bench Type C soils? - ANSWER: NO
T or F: you should try to break contact with an electric powerline - ANSWER: False
What should you do when backfilling - ANSWER: backfill in lifts, compact with front
tires, look before backing up
How wide can the bottom of an excavation be to be called a trench? - ANSWER: 15
feet max
All welding and cutting on equipment must be in accordance with: - ANSWER:
Section IX (9) of ASME codes 520 CMR
What is the minimum notice to call Dig Safe? - ANSWER: 72 hours
What color does red mean on a Dig Safe marking? - ANSWER: Electrical
A safety zone is the width of the facility and: - ANSWER: 18 inches on each side of
the facility