Question:
The ratio of the volume of water discharged by the drain during a certain period to the precipitation generated in that period is known as
The ratio of the volume of water discharged by the drain during a certain period to the precipitation generated in that period is known as
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Drainage efficiency indicates how effectively a drainage system removes excess water.
Updated On: May 7, 2026
- Drainage efficiency
- Drainage coefficient
- Hydraulic conductivity
- Drainage porosity
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The Correct Option is A
Solution and Explanation
Concept:
Drainage is the removal of excess water from agricultural land.
Step 1: During rainfall, some water infiltrates and some water becomes runoff or drainage flow.
Step 2: A drain removes excess water from the field.
Step 3: Drainage efficiency compares the volume of water discharged by the drain with the precipitation generated in that period.
Step 4: If more excess water is removed effectively, drainage efficiency is better.
Step 5: Therefore, the correct term is drainage efficiency. \[ \boxed{\text{Drainage efficiency}} \]
Drainage is the removal of excess water from agricultural land.
Step 1: During rainfall, some water infiltrates and some water becomes runoff or drainage flow.
Step 2: A drain removes excess water from the field.
Step 3: Drainage efficiency compares the volume of water discharged by the drain with the precipitation generated in that period.
Step 4: If more excess water is removed effectively, drainage efficiency is better.
Step 5: Therefore, the correct term is drainage efficiency. \[ \boxed{\text{Drainage efficiency}} \]
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