QUESTIONS ANSD SOLUTIONS RATED A+
✔✔When I renew my license after passing the 2A, 2B, or 2C State exams I will need a 4
hr. Continuing Education course to renew? - ✔✔True
✔✔If an excavation does not start within 30 days of notification to Digsafe.... -
✔✔Markings become invalid
✔✔It is not ok to straddle an open trench. - ✔✔True
✔✔Ladders must extend above the trench by 3 ft. - ✔✔True
✔✔What must you do if you dig up a gas line? - ✔✔Let gas vent, extinguish all flames,
evacuate and call utility and 911
✔✔Sloping removes material for protection. - ✔✔True
✔✔All welding and cutting on equipment must be in accordance with: - ✔✔Section IX of
ASME code 520 CMR
✔✔Seat belts must be worn if no ROP is present. - ✔✔False
✔✔Person capable of identifying existing hazards and has the authorization to correct
or eliminate them is a: - ✔✔Competent person
✔✔What is the MA law that covers hoisting? - ✔✔520 CMR 6.00
✔✔The larger the grain size the less stable the material. - ✔✔True
✔✔When given a slope ratio the first number given represents "______" and the second
number represents the vertical. - ✔✔Horizontal or the run
✔✔What is the slope ratio for type C Soils? - ✔✔Slope ratio is 1.5 : 1
✔✔How far back from the edge of trench must a spoil pile be? - ✔✔2 feet back from the
edge of trench
✔✔For which trench depth does federal OSHA require a protective system to be used?
- ✔✔Greater than 5 feet
✔✔Which type of protective system protects the worker from a collapse? - ✔✔Shielding