Surface energy per unit area of a surface is numerically equal to _____________________?

Related Mcqs:

If the surface of liquid is convex, men ___________________?

A. cohesion pressure is negligible B. cohesion pressure is decreased C. cohesion pressure is increased D. there is no cohesion pressure E. none of the above...

Choose the wrong statement ?

A. any weight, floating or immersed in a liquid, is acted upon by a buoyant force B. Buoyant force is equal to the weight of the liquid displaced C. The point through which buoyant force acts, is called the center of buoyancy D. Center of buoyancy is located above the center of gravity of the … Choose the wrong statement ?Read More...

The upper surface of a weir over which water flows is known is_____________________?

A. crest B. nappe C. sill D. weir top E. contracta...

The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be __________________?

A. 2 metres of water column B. 3 metres of water column C. 3.5 metres of water column D. 4 m of water column E. none of the above...

The process of diffusion of one liquid into the other through a semi-permeable membrane is called_______________________?

A. viscosity B. osmosis C. surface tension D. cohesion E. diffusivity...