Q50
If the COO_2 deficiency ratio is 3% or more it indicates . . . . . . .
If the deficiency ratio is 3% or more it indicates . . . . . . .
A.
Existance of self heating
B.
Gradual oxydation
C.
Heating in advanced stage
D.
Active fire
AnswerAnswer: Option D
Solution
Answer: Option D
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