Occupational Safety in Excavation Work Quiz
Test your understanding of excavation safety with these questions covering hazards, protective systems, and best practices.
#1
Which of the following is a common hazard associated with excavation work?
Falling objects
Loud noises
Excessive paperwork
Bright lights
#2
Which of the following is NOT a recommended safety practice in excavation work?
Regular inspections of excavation sites
Using damaged equipment
Proper training for workers
Implementing fall protection measures
#3
What is the primary purpose of a trench box in excavation safety?
To provide temporary shelter for workers
To prevent cave-ins
To store excavation equipment
To provide lighting for nighttime work
#4
What is the primary purpose of a trench shield in excavation safety?
To provide temporary shelter for workers
To prevent cave-ins
To store excavation equipment
To provide lighting for nighttime work
#5
What is the primary purpose of shoring in excavation safety?
To provide ventilation
To prevent cave-ins
To increase excavation speed
To create a level surface
#6
What does the term 'competent person' refer to in excavation safety?
A person with high intelligence
A person who is skilled in multiple trades
A person capable of identifying hazards
A person with extensive excavation experience
#7
Which type of soil is considered the most stable for excavation work?
Sandy soil
Clay soil
Loamy soil
Gravelly soil
#8
What is the minimum distance that heavy equipment should be kept from the edge of an excavation?
#9
What is the recommended slope angle for trench walls in stable soil conditions?
1:1 (45 degrees)
2:1 (63.4 degrees)
3:1 (71.6 degrees)
4:1 (76 degrees)
#10
What type of protective system relies on hydraulic pressure to support trench walls?
Shoring
Sloping
Shielding
Benching
#11
What is the primary purpose of benching in excavation safety?
To increase the aesthetic appeal
To provide drainage
To create horizontal levels
To minimize the risk of collapse
#12
What is the primary purpose of a hydraulic shoring system in excavation safety?
To increase excavation speed
To prevent cave-ins
To provide temporary lighting
To enhance worker communication
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