

Irrigation - Engineering
Q1: The difference in level between the top of a bank and supply level in a canal, is calledA berm
B
free board
C
height of bank
D none of these.
ANS:B - free board Top bank-level means (TBL) normally all the sections are designed by FSD level. Full supply level or depth. But in case of emergency water supply or rainy season free board is required. TBL also called berm level or key level is the top of the canal. |


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