Choose the correct relationship_________________? A. specific gravity = gravity x densityB. dynamicviscosity = kinematicviscosity x density C. gravity = specific gravity x density D. kinematicviscosity = dynamicviscosity x density E. hydrostaticforce = surface tension x gravity.
Units of surface tension are_________________? A. energy/unit area B. distanceC. both of the above D. it has no units E. none of the above
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is _________________? A. 400 kg/cm2B. 4000 kg/cm2 C. 40 x…
Surface tension _____________________? A. acts in the plane of the interface normal to any line in the surface B. is also known as capillarity C. is a function of the curvature of the interface D. decreases with fall in temperature…
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to _________________? A. 1000 B. 2100 C. 2700 D. 10,000E. 21,000.
The bulk modulus of elasticity __________________? A. has the dimensions of 1/pressureB. increases with pressure C. is large when fluid is more compressible D. is independent of pressure and viscosity E. is directly proportional to flow.
Viscosity of water in comparison to mercury is ______________________? A. higher B. lower C. same D. higher/lower depending on temperature E. unpredictable.
For very great pressures, viscosity of moss gases and liquids __________________? A. remains same B. increases C. decreasesD. shows erratic behaviour E. none of the above.
The surface tension of mercury at normal temperature compared to that of water is____________________? A. more B. less C. same D. more or less depending on size of glass tube E. none of the above.
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is___________________? A. 10m/sec2 B. 9.81 m/sec2 C. 10.2/m sec D. 9.75 m/sec2 E. 9 m/sec .