18. Compute the velocity of a fluid which would flow from the base of a water storage tank where the level of the surface is 35 ft above the ground. Consult Fig. 3-17. 35 Figure 3-17 Problem 18. 19. In Problem 18, if the hole in the base of the tank has a 3-in. I.D., and there are no friction losses, what flow rate could be expected?

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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.