When the full supply level (F.S.L.) of the canal is much below the bed level of the drainage trough, then the cross drainage provided is called syphon aqueduct.

When the full supply level (F.S.L.) of the canal is much below the bed

1.	When the full supply level (F.S.L.) of the canal is much below the bed level of the drainage trough, then the cross drainage provided is called syphon aqueduct.
A.	Yes
B.	No
Answer» C.