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
Related Mcqs:
- If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?
A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
E. 7 meters of water column - A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?
A. 9,000 kg
B. 13,500 kg
C. 18,000 kg
D. 27,000 kg
E. 30,000 kg - 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. - Units of surface tension are_________________?
A. energy/unit area
B. distance
C. both of the above
D. it has no units
E. none of the above - Surface tension has the units of____________________?
A. newtons/m
B. newtons/m
C. new tons/m
D. newtons
E. newton m - Dimensions of surface tension are_________________?
A. MlL°T2
B. MlL°Tx
C. MlL r2
D. MlL2T2
E. MlL°t - The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________?
A. increase
B. remain unaffected
C. may increase or decrease depending on the characteristics of liquid
D. decrease
E. unpredictable - The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________?
A. 500 kg
B. 1000 kg
C. 1500 kg
D. 2000 kg
E. 4000 kg. - Surface energy per unit area of a surface is numerically equal to ___________________?
A. atmospheric pressure
B. surface tension
C. force of adhesion
D. force of cohesion
E. viscosity - Surface energy per unit area of a surface is numerically equal to___________________?
A. atmospheric pressure
B. surface tension
C. force of adhesion
D. force of cohesion
E. viscosity
