A canal is generally lined
- Awhen it is in cutting
- Bwhen it is in embankmentCorrect
- Cwhen it is partly in cutting and partly in embankment
- Dwhen bed and banks of canal consist of highly impervious soil
Solution
Concept
Where lining is needed
Step-by-step solution
1. Canals in embankment lose water by seepage and risk breaching.
Explanation
Lining is mainly provided in embankments and permeable soil.
Why the other options are wrong
Highly impervious soil does not need lining.
Shortcut
Embankment → lining.
Correct answer: B) when it is in embankment