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Engineering
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Civil Set-1
Water Resources Engineering
80

Water Resources Engineering MCQ with Answers

80) The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately

1 mm

5 mm

10 mm

30 mm.

Answer is:

30 mm.

Water Resources Engineering MCQ with Answers

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Related Water Resources Engineering MCQ with Answers

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

p = Txr

p = T/r

p = T/2r

p = 2T/r

Answer is:

p = 2T/r

82) If the surface of liquid is convex, men

cohesion pressure is negligible

cohesion pressure is decreased

cohesion pressure is increased

there is no cohesion pressure

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

2.4 m above the hydraulic gradient

6.4 m above the hydraulic gradient

10.0 m above the hydraulic gradient

5.0 above the hydraulic gradient

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

at the inlet

at the outlet

at the summit

ay nay point between inlet and outlet

Answer is:

at the summit

Water Resources Engineering MCQ with Answers

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