Which of the following statement is wrong about the requirement of good lining?
(a) The lining should be able to withstand the differential sub-soil pressure
(b) Brick lining, concrete lining or precast slab lining can be easily repaired as compared to cast-in-situ concrete lining
(c) The hydraulic efficiency generally reduces with time
(d) Brick tile lining may provide better abrasion resistance than cement concrete and boulder lining
I got this question in an online quiz.
This is a very interesting question from Canal Lining in section Lining of Irrigation Canals and its Economics of Irrigation Engineering