Hydraulics and Fluid Mechanics

A. specific viscosity
B. viscosity index
C. kinematic viscosity
D. coefficient of viscosity
E. coefficient of compressibility

A. 0°C
B. 0°K
C. 4°C D. 20°C
E. all temperature

A. surface tension
B. adhesion
C. cohesion
D. viscosity
E. all of the above

Choose the wrong statement ?

A. its vapour pressure is low
B. it provides suitable meniscus for the inclined tube
C. its density is less
D. it provides longer length for a given pressure difference
E. it provides accurate readings.

A. higher surface tension
B. lower surface tension
C. surface tension is no criterion
D. high density and viscosity
E. low density and viscosity

A. specific gravity = gravity x density
B. dynamicviscosity = kinematicviscosity x density
C. gravity = specific gravity x density
D. kinematicviscosity = dynamicviscosity x density
E. hydrostaticforce = surface tension x gravity.

A. energy/unit area
B. distance
C. both of the above
D. it has no units
E. none of the above

A. 400 kg/cm2
B. 4000 kg/cm2
C. 40 x 105 kg/cm2
D. 40 x 106 kg/cm2
E. none of the above

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
E. has no units

A. 1000
B. 2100
C. 2700
D. 10,000
E. 21,000.