Question Bank • QB_IDE_EXP_072 NAT • 2 Marks

Section 5: Irrigation and Drainage Engineering

Wells and Pumps

Subtopic: Types of wells

Question Statement:

A tubewell discharges $1800\text{ L/min}$ at a steady drawdown of $3.0\text{ m}$. Calculate the specific capacity of the well in $\text{L/(min}\cdot\text{m)}$.

Answer Key:

600

Step-by-Step Solution & Explanation

Specific capacity: $SC = \frac{Q}{s} = \frac{1800\text{ L/min}}{3.0\text{ m}} = 600\text{ L/(min}\cdot\text{m)}$
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