Civil Engineering MCQs

Page No. 17

Liquids________________?


acannot be compressed

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b occupy definite volume

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care not affected by change in pressure and temperature

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dnone of the above

✓


View Answer none of the above

If no resistance is encountered by displacement, such a substance is known as___________________?


afluid

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bwater

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cgas

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d ideal fluid

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View Answer ideal fluid

Practical fluids____________________?


a are viscous

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bpossess surface tension

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care compressible

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d possess all the above properties

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Fluid is a substance that_______________?


acannot be subjected to shear forces

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balways expands until it fills any container

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chas the same shear stress.at a point regardless of its motion

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dcannot remain at rest under action of any shear force

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A fluid is said to be ideal, if it is________________?


aincompressible

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binviscous

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cviscous and incompressible

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dinviscous and incompressible

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The volumetric change of the fluid caused by a resistance is known as_________________?


avolumetric strain

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bvolumetric index

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ccompressibility

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dadhesion

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View Answer compressibility

An ideal flow of any fluid must fulfill the following______________?


aNewton’s law of motion

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bNewton’s law of viscosity

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cPascal’ law

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dContinuity equation

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View Answer Continuity equation

Fluid is a substance which offers no resistance to change of_________________?


apressure

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bflow

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cshape

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dvolume

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View Answer shape

A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury ?


athe metal piece will simply float over the mercury

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b the metal piece will be immersed in mercury by half

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cwhole of the metal piece will be immersed with its top surface just at mercury level

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d metal piece will sink to the bottom

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The buoyancy depends on__________________?


amass of liquid displaced

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bviscosity of the liquid

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c pressure of the liquid displaced

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ddepth of immersion

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