Figure Q1 shows the sewage siphon which regulates the level of water in the large holding tank A. Calculate the flow through the 100 mm diameter pipe when the water levels are as shown. Neglect any head losses. A 1 m 3 m 1.5 m B Figure Q1: Schematic of the sewage siphon connected to tank A.

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.