If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains_______________?

Civil Engineering Mcqs

If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains_______________?

(A) Hydrogen sulphide

(B) Carbon dioxide

(C) Methane

(D) Oxygen

Submitted By: Ali Uppal

Share this...

Facebook

IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG.

PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION.

Your email address will not be published. Required fields are marked *

Comment *

Name *

Email *