Question

20 points..

A 30 m deep well is having water upto 15 m. An
engine evacuates it in one hour. The power of the
engine, if the diameter of the well is 4 m is.. ?​

Answer 1

Answer:

Mass of water, m = volume × density = π r2l × ρ = π(2)2 × 15 × 1000 kg h = 30 + 152 = 22.5 m P = Wt = mght = π(2)2 × 15 × 1000 × 9.8 × 22.53600 ...

Answer 2

Answer:

where, v is volume of water and ρ is density of water. Now, find average height of water and well. Now, find workdone to evacuate water at this height. Hence, the power of the engine is 11.55 kW.

Explanation:

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