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in Geotechnical Engineering I by (102k points)
The height of capillary rise in capillary tube, depends on ____________

(a) Diameter of the tube

(b) Surface tension

(c) Direction of flow of water

(d) All of the mentioned

This question was addressed to me in an international level competition.

My question is based upon Capillary Water in division Soil Water Effective and Neutral Stresses of Geotechnical Engineering I

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The correct answer is (c) Direction of flow of water

For explanation: If a capillary tube is of non-uniform diameter height of capillary rise will be depending upon the direction of flow of water in the tube.

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