A 6-h storm had 6 cm of rainfall and the resulting runoff was 3 cm. If the φ-index remains at the same value the runoff due to 12 cm of rainfall in 9 h in the catchment is
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Under identical conditions evaporation from sea water is
The highest value of annual evapotranspiration in India is at Rajkot, Gujarat. Here the annual PET is about
In estimating the maximum floods for design purposes, in the absence of any other data, the φ-index is usually assumed as
Consider the following chemical emulsions:
1. Methyl alcohol
2. Cetyl alcohol
3. Stearyl alcohol
4. Kerosene
Which of the above chemical emuisions is/are used to minimize the loss of water through the process of evaporation?
The value of W index as compared to φ-index is
The annual potential evapotranspiration for a major part of our country lies in the range of
31 docs|280 tests
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31 docs|280 tests
|