85) The vapour pressure over the concave surface is

Answer is:

less man the vapour pressure over the plane surface

Water Resources Engineering MCQ with Answers

86) The property by virtue of which a liquid opposes relative motion between its different layers is called

Answer is:

viscosity

Explanation:

Viscosity is also known as absolute viscosity or dynamic viscosity. It is defined as the property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid. The viscosity of a liquid is due to cohesion and interaction between particles.