Question

The pressure of water inside the closed pipe is 3 × 10⁵ N/m² . This pressure reduces to 2 × 10⁵ N/m² on opening the value of the pipe. Calculate the speed of water flowing through the pipe. (Density of water = 1000 kg/m ).

Answer 1

Data : p₁ = 3 × 10⁵ Pa, v₁ = 0, p₂ = 2 × 10⁵ Pa, ρ = 10³ kg/m³

Assuming the potential head to be zero, i.e., the pipe to be horizontal, the Bernoulli equation is

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