civil engineering MCQs – Page 299

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
5961. A fluid is said to be ideal, if it is________________?
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A. inviscous

B. incompressible

C. viscous and incompressible

D. inviscous and compressible

E. inviscous and incompressible
5962. The bulk modulus of elasticity __________________?
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A. increases with pressure

B. is large when fluid is more compressible

C. is directly proportional to flow.

D. is independent of pressure and viscosity

E. has the dimensions of 1/pressure

5963. Hot wire anemometer is used to measure_______________?
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A. discharge

B. pressure intensity of gas

C. velocity of gas

D. pressure intensity of liquid

5964. The stress-strain relation of the newtoneon fluid is________________?
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A. inverse type

B. parabolic

C. none of the above

D. linear

E. hyperbolic

5965. Free surface of a liquid tends to contract to the smallest possible area due to force of _________________?
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A. friction

B. surface tension

C. cohesion

D. adhesion

E. viscosity

5966. Viscosity of water in comparison to mercury is ______________________?
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A. same

B. higher

C. higher/lower depending on temperature

D. lower

E. unpredictable.

5967. The tendency of a liquid surface to contract is due to the following property_________________?
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A. cohesion

B. surface tension

C. viscosity

D. elasticity

E. adhesion

5968. Falling drops of water become spheres due to the property of ________________?
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A. compressibility

B. surface tension

C. adhesion

D. viscosity

E. cohesion

5969. The property of a fluid which enables it to resist tensile stress is known as________________?
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A. surface tension

B. cohesion

C. adhesion

D. viscosity.

E. compressibility

5970. The ratio of absolute viscosity to mass density is known as____________________?
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A. viscosity index

B. coefficient of viscosity

C. kinematic viscosity

D. coefficient of compressibility

E. specific viscosity

5971. 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 ?
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A. metal piece will sink to the bottom

B. whole of the metal piece will be immersed with its top surface just at mercury level

C. the metal piece will simply float over the mercury

D. none of the above

E. the metal piece will be immersed in mercury by half

5972. The property of fluid by virtue of which it offers resistance to shear is called____________________?
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A. surface tension

B. adhesion

C. viscosity

D. all of the above

E. cohesion

5973. The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________?
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A. 2000 kg

B. 1500 kg

C. 1000 kg

D. 4000 kg.

E. 500 kg

5974. Which of the following is dimensionless ________________?
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A. specific speed

B. specific weight

C. specific viscosity

D. specific gravity

E. specific volume

5975. When the flow parameters at any given instant remain same at every point, then flow is said to be____________________?
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A. steady state

B. static.

C. uniform

D. quasi static

E. laminar

5976. Dimensions of surface tension are_________________?
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A. MlLt

B. MlL2T2

C. MlL r2

D. MlLTx

E. MlLT2
5977. The density of water is 1000 kg/m3 at __________________?
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A. 4C D. 20C

B. all temperature

C. 0C

D. 0K

5978. In a static fluid__________________?
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A. only normal stresses can exist

B. fluid pressure is zero

C. linear deformation is small

D. viscosity is nil

E. resistance to shear stress is small

5979. Density of water is maximum at ___________________?
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A. 0C

B. 100C

C. 0K

D. 4C

E. 20C.

5980. The bulk modulus of elasticity with increase in pressure___________________?
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A. increases

B. remains constant

C. decreases

D. unpredictable

E. increases first upto certain limit and then decreases