These are sprinklers water to vegetation. Sprinklers that spray in fixed pattern are generally called sprays or spray heads. Spray are not usually designed to operate at pressure above 30psi pounds per square inch, due to misting problems that may developed.
Bigg pressure sprinklers that themselves move in a circle are driven by a ball drive gear drive or impact mechanism impact sprinklers. These can be designed to rotate in a full or partial circle.
Classifications of Canals:
The canal system consist of the following.
Main canal: Main canal takes off directly from upstream of river head works or dam. Usually no direct cultivation is proposed. Most of the main canals are aligned as contours canals to derive benifts.
Branch canal: All off takes from a main canal or with head discharge of 14-15 causes and above are termed as branch canals.
Major Distributaries:
All off takes from a main canal or branch canal with head discharge lesser than 15 causes are termed as major distributaries.
Minor Distributaries:
All off takes from major distributaries serving more than 40.47 hectares are termed as minor distributaries. They are named after a prominent place near about their tails end.
No comments:
Post a Comment