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OSHA Confined Space Quiz Test Questions Answers
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Question 1 of 16
1. Question
1 pointsAtmospheric oxygen levels below ______ at sea level is considered as hazardous atmosphere in confined space:
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Question 2 of 16
2. Question
1 pointsFinely powdered dust from combustible materials such as _____ can be fuel for powerful explosions.
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Question 3 of 16
3. Question
1 pointsWhich of the following is a sewer gas:
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Question 4 of 16
4. Question
1 pointsWhich one of the following is not an examples of primary irritants
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Question 5 of 16
5. Question
1 pointsWhich of the following is a natural gas produced from the decay of organic matter:
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Question 6 of 16
6. Question
1 pointsOxygen deprivation is one form of asphyxiation.
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Question 7 of 16
7. Question
1 pointsLess than ______ of oxygen concentration in confined space results in spasmodic breathing, convulsive movements, and death in minutes.
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Question 8 of 16
8. Question
1 pointsCarbon dioxide and argon, with specific gravities _____ than air, may lie in a tank or manhole for hours or days after opening.
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Question 9 of 16
9. Question
1 pointsAlways ventilate confined spaces with which of the following:
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Question 10 of 16
10. Question
1 pointsThe entry supervisor must cancel entry permits when:
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Question 11 of 16
11. Question
1 pointsThe OSHA confined space standard requires that the employer keep all canceled entry permits for at least ____
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Question 12 of 16
12. Question
1 pointsGuardrails may be used to protect workers along floor openings or edges, in lieu of personal fall
protection in confined space.Correct
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Question 13 of 16
13. Question
1 pointsIn confined space factors that affect the interchange of heat between people and their environment are: (Multiple Answer Question)
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Question 14 of 16
14. Question
1 pointsFall hazards are a leading cause of workplace fatalities:
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Question 15 of 16
15. Question
1 pointsVentilation helps in which of the following: (Multiple Answer Question)
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Question 16 of 16
16. Question
1 pointsA rescue attempt will likely become body retrieval after _____ minutes after the loss of oxygen in confined space:
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