🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs311
Which of the following is the unit of kinematic viscosity _________________?
Apascal
Bpoise
Cstoke
Dfaraday E. none of the above
312
The ratio of absolute viscosity to mass density is known as____________________?
Aspecific viscosity
Bviscosity index
Ckinematic viscosity
Dcoefficient of viscosity E. coefficient of compressibility
313
The density of water is 1000 kg/m3 at __________________?
A0°C
B0°K
C4°C
D20°C E. all temperature
314
The property of fluid by virtue of which it offers resistance to shear is called____________________?
Asurface tension
Badhesion
Ccohesion
Dviscosity E. all of the above
315
Alcohol is used in manometer, because___________________?
Aits vapour pressure is low
Bit provides suitable meniscus for the inclined tube
Cits density is less
Dit provides longer length for a given pressure difference E. it provides accurate readings.
316
For manometer, a better liquid combination is one having______________?
Ahigher surface tension
Blower surface tension
Csurface tension is no criterion
Dhigh density and viscosity E. low density and viscosity
317
Choose the correct relationship_________________?
Aspecific gravity = gravity x density
Bdynamicviscosity = kinematicviscosity x density
Cgravity = specific gravity x density
Dkinematicviscosity = dynamicviscosity x density E. hydrostaticforce = surface tension x gravity.
318
Fluid is a substance that_______________?
Acannot be subjected to shear forces
Balways expands until it fills any container
Chas the same shear stress.at a point regardless of its motion
Dcannot remain at rest under action of any shear force E. flows
319
A fluid is said to be ideal, if it is________________?
Aincompressible
Binviscous
Cviscous and incompressible
Dinviscous and compressible E. inviscous and incompressible
320
The volumetric change of the fluid caused by a resistance is known as_________________?
Avolumetric strain
Bvolumetric index
Ccompressibility
Dadhesion E. cohesion