Civil Engineering - Waste Water Engineering - Discussion

Discussion Forum : Waste Water Engineering - Section 6 (Q.No. 45)

Waste Water Engineering

45.

If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains

Hydrogen sulphide

Carbon dioxide

Methane

Oxygen

None of these.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

Umang said: 6 years ago

Carbon dioxide is the correct answer.

(1)

HAR said: 8 years ago

If the flame of a miner's safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Carbon dioxide.

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