Download Massachusetts 2B Hoisting License Exam: Questions and Answers and more Exams Engineering in PDF only on Docsity!
Questions And Answers
What does the color red mean on a dig safe marking? - correct answer ✅Electric Using my own machine on my own property does not require a hoisting license in MA. - correct answer ✅False 80% sand is what type soil? - correct answer ✅"C-type" soil If I prevent a DPS inspector from doing his job, I could be fined up to: - correct answer ✅$ How old must you be to get a hoisting license? - correct answer ✅ 18 Grade 70 chains are ok to use for lifting. - correct answer ✅False
Questions And Answers
The slope ratio of type B soil is: - correct answer ✅1:1, (45 degrees) A trench must be tested for hazardous atmosphere if it is deeper than: - correct answer ✅4 feet Per OSHA, who must classify soil? - correct answer ✅Competent person I should dig into a bank at a 45 degree angle - correct answer ✅True Operator manuals must be kept in the office - correct answer ✅False If I rent equipment, what must I have? - correct answer ✅A valid MA hoisting license on my person
Questions And Answers
It is not ok to straddle an open trench. - correct answer ✅True Ladders must extend above the trench by 3 ft. - correct answer ✅True What must you do if you dig up a gas line? - correct answer ✅Let gas vent, extinguish all flames, evacuate and call utility and 911 Sloping removes material for protection. - correct answer ✅True All welding and cutting on equipment must be in accordance with: - correct answer ✅Section IX of ASME code 520 CMR Seat belts must be worn if no ROP is present. - correct answer ✅False
Questions And Answers
Person capable of identifying existing hazards and has the authorization to correct or eliminate them is a: - correct answer ✅Competent person What is the MA law that covers hoisting? - correct answer ✅520 CMR 6. The larger the grain size the less stable the material. - correct answer ✅True When given a slope ratio the first number given represents "______" and the second number represents the vertical. - correct answer ✅Horizontal or the run What is the slope ratio for type C Soils? - correct answer ✅Slope ratio is 1.5 : 1 How far back from the edge of trench must a spoil pile be? - correct answer ✅2 feet back from the edge of trench
Questions And Answers
How much does soil weigh per cubic foot? - correct answer ✅114 lbs. Cave-ins usually occur in "_________". - correct answer ✅Stages The greatest area of stress in a trench is at the: - correct answer ✅Bottom of the trench Trench walls that have water seeping from them tend to be: - correct answer ✅Weaker than a dry trench wall Cracks in the soil surface adjacent to the trench indicates: - correct answer ✅The trench wall could collapse at any moment For trenches deeper than 4 feet a ladder must be placed every "_____" ft. - correct answer ✅25 ft.
Questions And Answers
Deeper than "_____" ft. must be tested before entry. - correct answer ✅4 ft. (Flammable, Explosive, Oxygen deficient, Corrosive, Poisonous) True or False, sloping removes material for protection? - correct answer ✅True The Digsafe color code white is for "_________". - correct answer ✅Proposed excavation The Digsafe color code yellow is for "___________". - correct answer ✅Gas, oil, and steam The Digsafe color code orange is for "___________". - correct answer ✅Communications The Digsafe color code blue is for "___________". - correct answer ✅Potable water
