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Hydraulics and Fluid Mechanics

The process of diffusion of one liquid into the other through a semi-permeable membrane is called _______________?

August 15, 2021January 23, 2019 by admin
The process of diffusion of one liquid into the other through a semi-permeable membrane is called _______________?

A. viscosity
B. osmosis
C. surface tension
D. cohesion
E. diffusivity

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

The continuity equation is connected with_______________?

August 15, 2021January 23, 2019 by admin
The continuity equation is connected with_______________?

A. viscous/unviscous fluids
B. compressibility of fluids
C. conservation of mass
D. steady/unsteady flow
E. open channel/pipe flow

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

Liquids transmit pressure equally in all the directions. This is according to_________________?

August 15, 2021January 23, 2019 by admin
Liquids transmit pressure equally in all the directions. This is according to_________________?

A. Boyle’s law
B. Archimedes principle
C. Pascal’s law
D. Newton’s formula
E. Chezy’s equation

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

Capillary action is due to the__________________?

August 15, 2021January 23, 2019 by admin
Capillary action is due to the__________________?

A. surface tension
B. cohesion of the liquid
C. adhesion of the liquid molecules and the molecules on the surface of a solid
D. all of the above
E. none of the above

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________?

August 15, 2021January 23, 2019 by admin
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

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

The units of dynamic or absolute viscosity are_______________?

August 15, 2021January 23, 2019 by admin
The units of dynamic or absolute viscosity are_______________?

A. metres2 per sec
B. kg sec/meter
C. newton-sec per meter
D. newton-sec2 per meter
E. none of the above

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

The peoperty by virtue of which a liquid opposes relative motion between its different layers is called_________________?

August 15, 2021January 23, 2019 by admin
The peoperty by virtue of which a liquid opposes relative motion between its different layers is called_________________?

A. surface tension
B. co-efficient of viscosity
C. viscosity
D. osmosis
E. cohesion

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

To avoid an interruption in the flow of a syphon, an air vessel is provided______________?

August 15, 2021January 23, 2019 by admin
To avoid an interruption in the flow of a syphon, an air vessel is provided______________?

A. at the inlet
B. at the outlet
C. at the summit
D. ay nay point between inlet and outlet
E. none of the above

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

If the surface of liquid is convex, men_________________?

August 15, 2021January 23, 2019 by admin
If the surface of liquid is convex, men_________________?

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

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics

Rain drops are spherical because of____________________?

August 15, 2021January 23, 2019 by admin
Rain drops are spherical because of____________________?

A. viscosity
B. air resistance
C. surface tension forces
D. atmospheric pressure
E. none of the above

Categories Civil Engineering Mcqs, Hydraulics and Fluid Mechanics
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