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Confined Space Quiz

Can you answer these questions?

Question
2
Q
Entering a permit space can prove fatal for an employee when the oxygen level is-
  • (A)  Below 19.5 percent
  • (B)  Above 23.5 percent
  • (C)  Below 20 percent
  • (D)  Both a and b
Give me a hint
Hint:
Too little or too much of something can never be good.
A
Show me the Answer
Correct answer is:
  • (D)  Both a and b
Explanation:
Oxygen levels that are too low (less than 19.5 percent) can cause an initial loss of awareness and lead to suffocation and death. Oxygen levels that are too high (greater than 22 percent) can cause a fire hazard by allowing a fire to burn at a rate that is faster than normal.
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