70. Energy consumption for pumping water out of the basement depth h = 2 m, and the length = 10 m and a width of b = 6 m E = accounted for 2 MJ. Determine the efficiency η of the pump if the water level was H = 0.8 m from the bottom of the basement. Ρ = density of water 1 g / cm3.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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