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25.

If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its                        
A. specific weight B. specific mass
C. specific gravity D. specific density



26.

If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be                        
A. higher than the surface of liquid B. the same as the surface of liquid
C. lower than the surface of liquid D. unpredictable



27.

If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water                        
A. 51 cm B. 50 cm
C. 52 cm D. 52.2 cm




28.

If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be                        
A. h B. wh
C. w/h D. h/w



29.

Mercury does not wet glass. This is due to property of liquid known as                        
A. adhesion B. cohesion
C. surface tension D. viscosity



30.

Metacentric height is given as the distance between                        
A. the centre of gravity of the body andthe meta centre B. the centre of gravity of the body and the centre of buoyancy
C. the centre of gravity of the body and the centre of pressure D. centre of buoyancy and metacentre



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