In The Trenches: Excavation And Trenching

8 Questions | Total Attempts: 56

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In The Trenches: Excavation And Trenching

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Questions and Answers
  • 1. 
    A competent person means one who is capable of?
    • A. 

      Identifying existing and predictable hazards

    • B. 

      Authorizing prompt correctives measures

    • C. 

      Recognizing excavation emergencies

    • D. 

      All of the above plus a lot more

  • 2. 
    Spoils and stockpile materials must be at least two feet from the top edge of excavation.
    • A. 

      True

    • B. 

      False

  • 3. 
    Egress should be located within _______ feet of travel to employees at all times.
  • 4. 
    Name one dangerous atmospheric condition.
    • A. 

      Confined space

    • B. 

      Hazardous waste site

    • C. 

      Working with adhesives or solvents

    • D. 

      All of the above

  • 5. 
    If water is present in an excavation with type A soil, it is still a type A soil.
    • A. 

      True

    • B. 

      False

  • 6. 
    Name one soil test.
    • A. 

      Shovel test

    • B. 

      Instrument test

    • C. 

      Kick rocks circular motion

    • D. 

      Thumb penetration

  • 7. 
    A trench box should extend 18 inches above the point where proper slope begins.
    • A. 

      True

    • B. 

      False

  • 8. 
    Should you enter an unsafe excavation in the event of an emergency?
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