A large vented tank containing water at 20 C has a pipe discharging to the atmosphere...

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Mechanical Engineering

A large vented tank containing water at 20 C has a pipedischarging to the atmosphere horizontally from the bottom. Thepipe is 2.3 cm in diameter, has a surface roughness of 0.046mm, andis 40m long. The velocity in the pipe is 3.5 m/s. The flow in thepipe is turbulent. Neglecting minor losses, what is the water levelin the tank above the centerline of the outlet pipe?

2.1 m

28.3 m

13.6 m

39.2 m

With the same setup (except water velocity), what is the maximumwater height where the flow could be assumed laminar?

2.56 cm

4.1 m

1.1 m

6.3 m

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