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Q: As one moves from head of the canal to the field, the duty of the water–––––––
  • A. decreases
  • B. either increases or decreases
  • C. increases
  • D. remains constant
Correct Answer: Option C - Duty of water simply expresses the number of hectare of land that can be irrigated for the full growth of the given crop by supplying 1 cumec water continuously during the entire base period of that crop. Duty varies from point to point. It increases as one move's from head of the canal to the field. It is due to transmission losses of the channels.
C. Duty of water simply expresses the number of hectare of land that can be irrigated for the full growth of the given crop by supplying 1 cumec water continuously during the entire base period of that crop. Duty varies from point to point. It increases as one move's from head of the canal to the field. It is due to transmission losses of the channels.

Explanations:

Duty of water simply expresses the number of hectare of land that can be irrigated for the full growth of the given crop by supplying 1 cumec water continuously during the entire base period of that crop. Duty varies from point to point. It increases as one move's from head of the canal to the field. It is due to transmission losses of the channels.