For a given discharge in a channel, Blench curves give the relationship between the loss of head ( H L ) and

critical depth of water down-stream

For a given discharge in a channel, Blench curves give the relationshi

1.	For a given discharge in a channel, Blench curves give the relationship between the loss of head ( H L ) and
A.	specific energy up-stream
B.	specific energy down-stream
C.	critical depth of water down-stream
D.	depth of water down-stream
Answer» C. critical depth of water down-stream