In The Trenches: Excavation And Trenching
8 Questions
| Total Attempts: 56
.
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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