Mechanical Properties of Fluids - Result Question 18

18. The wetability of a surface by a liquid depends primarily on

(a) surface tension

[2013]

(b) density

(c) angle of contact between the surface and the liquid

(d) viscosity

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Answer:

Correct Answer: 18. (c)

Solution:

  1. (c) Wetability of a surface by a liquid primarily depends on angle of contact between the surface and liquid.

If angle of contact is acute liquids wet the solid and vice-versa.