Civil Engineering - Waste Water Engineering - Discussion

Discussion Forum : Waste Water Engineering - Section 3 (Q.No. 43)
43.
Lead acetate test in sewer manhole is done to test the presence of
Methane gas
Hydrogen sulphide
Carbondioxide gas
Diesel vapours.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Anirban Roy said:   5 years ago
Flamed Lamp entered in manhole:

Explodes then the presence of petrol vapour.
Burns into flame then the presence of methane.
Extinguished then presence of CO2.
Lead acetate turns black due to lead sulfide.
(1)

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