In a static fluid :
A. resistance to shear stress is small
B. fluid pressure is zero
C. linear deformation is small
D. only normal stresses can exist
A balloon lifting in air follows the following principle :
A. law of gravitation
B. Archimedes principle
C. principle of buoyancy
D. all of the above
A fluid in equilibrium can’t sustain :
A. tensile stress
B. compressive stress
C. shear stress
D. bending stress
The tendency of a liquid surface to contract is due to the following property :
A. cohesion
B. adhesion
C. viscosity
D. surface tension
Which of the following is dimensionless :
A. specific weight
B. specific volume
C. specific speed
D. specific gravity
Specific weight of water in S.I. units is equal to :
A. 1000 N/m3
B. 10000 N/m3
C. 9.81 xlO3 N/m3
D. 9.81 xlO6N/m3
Mercury does not wet glass. This is due to property of liquid known as :
A. adhesion
B. cohesion
C. surface tension
D. viscosity
The value of mass density in kgsecVm4 for water at 0°C is :
A. 1
B. 1000
C. 100
D. 101.9
