Answer to Question #145180 in Mechanical Engineering for Afrasyab

Question

estimate the height to which water at 20 degrees will raise in a capillary glass tube 3mm in diameter exposed to the atmosphere. for water in contact with glass the wetting angle is nearly 90 degree. at 20 degreec and water-air combination the value of the surface tension sigma = 0.073 n/m

Answer h = .999cm

Answer 1

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