#1
Which of the following is a primary concern in excavation safety?
1 answered
#2
What is the purpose of a trench box in excavation safety?
1 answered
#3
Which of the following is a common hazard associated with excavation work?
1 answered
#4
What is the main purpose of conducting soil analysis before excavation work?
1 answered
#5
Which of the following factors can affect the stability of an excavation trench?
1 answered
#6
What is the recommended slope angle for excavation walls in stable soil conditions?
1 answered
#7
Which of the following protective systems relies on supports installed horizontally at various heights?
1 answered
#8
What does the acronym 'OSHA' stand for in the context of excavation safety regulations in the United States?
1 answered
#9
What type of soil is considered the most stable and presents the lowest risk of collapse in excavation work?
1 answered
#10
What is the purpose of installing warning barriers around an excavation site?
1 answered
#11
What is the minimum clearance distance that should be maintained between a trench's edge and any heavy equipment operating nearby?
1 answered
#12
Which of the following factors can contribute to trench collapse?
1 answered
#13
Which of the following is NOT a recommended safety practice when working in an excavation?
1 answered
#14
What is the primary purpose of a trench box?
1 answered
#15
What does the acronym 'SOP' stand for in the context of excavation safety?
1 answered