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Excavation & Trenching Safety Quiz – Learn & Test
15 Questions
•
Construction Quizzes
Evaluate your knowledge of excavation safety requirements, protective systems, and hazard recognition. Essential for workers involved in digging and trenching operations.
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15
Questions
5
Minutes
70%
Pass Score
Hard
Difficulty
1
What is the maximum depth for a trench that requires protective systems?
3 feet
5 feet
10 feet
15 feet
2
What type of soil is most stable for excavation?
Type A
Type B
Type C
All are equally stable
3
You can enter an unprotected trench.
True
False
4
How far should spoil piles be from the edge of a trench?
1 foot
2 feet
5 feet
Any distance
5
What should you do before entering a trench?
Enter immediately
Test the atmosphere and check for hazards
Ask permission
Wait for others
6
What is the purpose of a competent person in excavation work?
To watch workers
To identify hazards and take corrective action
To dig the trench
To provide tools
7
You can work in a trench during rain or storms.
True
False
8
What should you do if you see a trench wall starting to crack?
Continue working
Evacuate immediately
Try to fix it
Ignore it
9
How often should trenches be inspected?
Never
Daily and after rain
Weekly
Monthly
10
What should you do if you encounter underground utilities?
Continue digging
Stop work and call 811
Ignore them
Mark them yourself
11
What should be done before using any power tool?
Start using immediately
Check for damage and ensure proper safety guards are in place
Ask permission
Wear gloves only
12
What is the minimum safe distance from overhead power lines?
5 feet
10 feet
15 feet
20 feet
13
What is the minimum safe distance from overhead power lines?
5 feet
10 feet
15 feet
20 feet
14
What should be done if a worker is injured on site?
Ignore it
Provide first aid and report immediately
Continue working
Hide the injury
15
What is the primary purpose of a hard hat on construction sites?
Decoration
Protection from falling objects and head injuries
To keep warm
To identify workers
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