Consider a spray where a piston is pushing the water out. Assume a steady, frictionless and incompressible flow. How high are the energy terms of Bernoulli's equation at points 1, 2 and 3? Drag the options into their right places. (Figure: Munson et al. (2002) Fundamentals of Fluid Mechanics. New York: John Wiley & Sons, Inc. 4th edition. p. 822. ISBN 0-471-44250-X.)
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- What flows at 0.850 m/s from a hot water heater, through a pressure regulatory at 450 kPa on the ground floor of the house. This same pipe is used to supply water to a bathtub 3.7 m higher in the household at a pressure of 414 kPa. What is the flow speed in the pipe on the same floor as the bathtub?A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.75 L/s, with an output pressure of 1.5×10^5 Pa. (a) The water enters a hose with a 2.8 cm inside diameter and rises 2.2 m above the pump. What is its pressure at this point? (b) The hose goes over the foundation wall, losing 0.55 m in height, and widens to 6.6 cm in diameter. What is the pressure now? You may neglect frictional losses in both parts of the problem.Calculate the Reynolds number for an object moving through a fluid.
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