A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury ?

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The buoyancy depends on__________________?

A. mass of liquid displaced B. viscosity of the liquid C. pressure of the liquid displaced D. depth of immersion E. none of the above....

The angle of contact in case of a liquid depends upon____________________?

A. the nature of the liquid and the solid B. the material which exists above the free surface of the liquid C. both of die above D. any one of the above E. none of die 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 normal stress is same in all directions at a point in a fluid ___________________?

A. only when the fluid is frictionless B. only when the fluid is incompressible and has zero viscosity C. when there is no motion of one fluid layer relative to an adjacent layer D. irrespective of the motion of one fluid layer relative to an adjacent layer E. in case of an ideal fluid...

A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc__________________?

A. 10 kg B. 100 kg C. 1000 kg D. 1 kg E. 10,000 kg...