Hydraulics and Fluid Mechanics

A. the metal piece will simply float over the mercury
B. the metal piece will be immersed in mercury by half
C. whole of the metal piece will be immersed with its top surface just at mercury level
D. metal piece will sink to the bottom
E. none of the above

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.

A. upthrust
B. buoyancy
C. center of pressure
D. all the above are correct
E. none of above is correct

A. 500 kg
B. 1000 kg
C. 1500 kg
D. 2000 kg
E. 4000 kg.

A. higher than the surface of liquid
B. the same as the surface of liquid
C. lower than the surface of liquid
D. unpredictable
E. none of the above

A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility

A. surface tension
B. viscosity
C. friction
D. cohesion
E. adhesion

A. dissolved air
B. dissolved salt
C. suspended matter
D. all of the above
E. heavy water

A. it has low vapour pressure
B. it is clearly visible
C. it has low surface tension
D. it can provide longer column due to low density
E. is provides suitable meniscus

A. pascal
B. poise
C. stoke
D. faraday
E. none of the above