A canal which is used for irrigation all year round is called-
Perennial canal
Therefore, a perennial canal is one that is fed by a permanent source of water (like a glacier-fed river or a large reservoir) and is designed to provide irrigation water consistently throughout all seasons, regardless of variations in rainfall.
Important Questions from Design of Canals
Upon a detailed topographical investigation, an engineer wants to align a canal. Along which of the following should be align the canal?
Which of the following components of the weir divides the river width into weir portion and under sluices pocket?
Which canal irrigates only on one side because the area on the other side is higher?
In which type of canal escapes is the crest of the weir wall kept at R.L. equal to the canal FSL?
If the discharge in canal equals to 70 m3/s with it silt factor √2, the velocity of flow in canal as per Lacey’s theory is
