#1
What is the primary goal of safety practices in excavation work?
#2
Which of the following is NOT a common hazard associated with excavation work?
#3
Which of the following is NOT a factor to consider when inspecting excavation work for safety?
#4
Which of the following actions is recommended before entering an excavation trench?
#5
What is the purpose of installing warning signs and barriers around excavation sites?
#6
Which of the following is a key consideration when planning an excavation?
#7
What is the minimum allowable distance for excavated material to be kept from the edge of a trench?
#8
Which of the following protective systems relies on sloping, benching, or shoring to prevent trench collapses?
#9
What is the recommended method for testing the atmosphere within a trench for hazardous gases?
#10
What is the maximum allowable depth for a trench before a protective system is required?
#11
What is the primary danger associated with using heavy equipment near trenches?
#12
What is the purpose of a competent person in excavation work?
#13
What is the primary purpose of a trench box or trench shield?
#14