OSHA 10 Construction Practice Test· OSHA (29 CFR 1926)
Which of the following is one of the three trench protective-system options?
Choices
- ADewatering
- BCompaction testing
- CBackfilling
- DSloping and benchingCorrect
Answer
Sloping and benching
The three trench protective-system options are sloping (and benching), shoring, and shielding (trench boxes).
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45 questions in the pool · 25-question timed exam.
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- Q28OSHA's Construction Focus Four hazards, the leading causes of construction deaths, are:
- Q29Among the Focus Four hazards, which is the leading cause of construction worker deaths?
- Q30A protective system is required in a trench or excavation that is at least how deep, unless a competent person finds no indication of a possible cave-in?
- Q31An excavation deeper than 20 feet requires a protective system designed by:
- Q33Excavated spoil and equipment must be kept at least how far back from the edge of an excavation?
- Q34A safe means of exit such as a ladder, ramp, or stairway is required in trenches at least how deep, within 25 feet of workers?