Related Questions

Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the
A Force of adhesion
B Force of cohesion
C Force of friction
D Force of diffusion
A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A Remain horizontal
B Slant up towards direction of pull
C Slant down towards direction of pull
D None of the above
The tendency of a liquid surface to contract is due to the following property
A cohesion
B adhesion
C viscosity
D surface tension
When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid
A Remains horizontal
B Becomes curved
C Falls on the front end
D Falls on the back end
An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.
A Equal to
B Directly proportional
C Inversely proportional
D None of these
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.
A $$\frac{{\text{H}}}{3}$$
B $$\frac{{\text{H}}}{2}$$
C $$\frac{{2{\text{H}}}}{3}$$
D $$\frac{{3{\text{H}}}}{4}$$
The greatest possible value of C is how much greater than the smallest possible value of D?
A 3
B 4
C 5
D 6
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called
A Segregation
B Bleeding
C Bulking
D Creep
Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.
A Infinity
B Minus infinity
C Zero
D None of these
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to
A Deflect downward
B Deflect upward
C Deflect downward or upward
D None of the above

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