A. cohesion pressure is negligible
B. cohesion pressure is decreased
C. cohesion pressure is increased
D. there is no cohesion pressure
E. none of the above
Related Mcqs:
- A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water 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 - If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its__________________?
A. specific weight
B. specific mass
C. specific gravity
D. specific density
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/cm2
B. 4000 kg/cm2
C. 40 x 105 kg/cm2
D. 40 x 106 kg/cm2
E. none of the above - For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?
A. bottom surface of the body
B. e.g. of the body
C. metacentre
D. all points on the surface of the body
E. all 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
E. elasticity - If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be________________?
A. h
B. wh
C. w/h
D. h/w
E. h/wh - The rise or depression of liquid in a tube due to surface tensionwim 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 - 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
E. none of die above - Free surface of a liquid tends to contract to the smallest possible area due to force of_______________?
A. surface tension
B. viscosity
C. friction
D. cohesion
E. adhesion - The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be __________________?
A. 2 metres of water column
B. 3 metres of water column
C. 3.5 metres of water column
D. 4 m of water column
E. none of the above
