The specific capacity of a tube well is defined as:
Choose the correct answer
Total yield divided by pumping hours
Discharge per unit drawdown (L/s per m of drawdown)
Maximum possible yield
Well diameter in metres
Correct Answer
B. Discharge per unit drawdown (L/s per m of drawdown)
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Specific capacity = Q/s = discharge (L/s or m3/h) / drawdown (m). Higher specific capacity indicates a more productive well. It varies with pumping rate and time. Used to estimate aquifer transmissivity and compare wells.
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