Water Resources Engineering MCQ with Answers

Water Resources Engineering MCQ with Answers

81) The difference of pressure between the inside and outside of a liquid drop is

Answer is:

p = 2T/r

82) If the surface of liquid is convex, men

Answer is:

cohesion pressure is increased

83) To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than

Answer is:

6.4 m above the hydraulic gradient

84) To avoid an interruption in the flow of a syphon, an air vessel is provided

Answer is:

at the summit

85) The vapour pressure over the concave surface is

Answer is:

less man the vapour pressure over the plane surface

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