Civil Engineering MCQAE Level Civil Engineering
Corrosion in a concrete sewer is caused by
Environmental EngineeringEnvironmental EngineeringMEDIUM
Choose the correct answer
A
H₂S
B
DO
C
Nitrogen
D
Chlorine
Correct Answer
A. H₂S
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
H2S causes corrosion in concrete sewers after conversion to sulphuric acid.
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Concept shortcut
IS/IRC reference
Common trap
Practice more Civil Engineering questions
This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.