Liquids transmit pressure equally in all the directions. This is according to :
A. Boyle’s law
B. Archimedes principle
C. Pascal’s law
D. Newton’s formula
Capillary action is due to the :
A. surface tension
B. cohesion of the liquid
C. all of the above
D. none of the above
The units of dynamic or absolute viscosity are :
A. metres2 per sec
B. kg sec/meter
C. newton-sec per meter
D. newton-sec2 per meter
E. none of the above
To avoid an interruption in the flow of a syphon, an air vessel is provided :
A. at the inlet
B. at the outlet
C. at the summit
D. ay nay point between inlet and outlet
Rain drops are spherical because of :
A. viscosity
B. air resistance
C. surface tension forces
D. atmospheric pressure
The centre of gravity of the volume of the liquid displaced by an immersed body is called :
A. meta-center
B. center of pressure
C. center of buoyancy
D. center of gravity
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
Poise is the unit of :
A. surface tension
B. capillarity
C. viscosity
D. shear stress in fluids
The resultant upward pressure of the fluid on an immersed body is called :
A. upthrust
B. buoyancy
C. center of pressure
D. all the above are correct
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are :
A. less
B. more
C. equal
D. less at low temperature
