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Civil Engineering Mcqs

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

  • (A)  pressure
  • (B)  flow
  • (C)  shape
  • (D)  volume
  • (E)  temperature
Submitted By :Ali Uppal


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 ?

  • (A)  the metal piece will simply float over the mercury
  • (B)  the metal piece will be immersed in mercury by half
  • (C)  whole of the metal piece will be immersed with its top surface just at mercury level
  • (D)  metal piece will sink to the bottom
  • (E)  none of the above
Submitted By :Ali Uppal


The buoyancy depends on__________________?

  • (A)  mass of liquid displaced
  • (B)  viscosity of the liquid
  • (C)  pressure of the liquid displaced
  • (D)  depth of immersion
  • (E)  none of the above.
Submitted By :Ali Uppal


The resultant upward pressure of the fluid on an immersed body is called_________________?

  • (A)  upthrust
  • (B)  buoyancy
  • (C)  center of pressure
  • (D)  all the above are correct
  • (E)  none of above is correct
Submitted By :Ali Uppal


Submitted By :Ali Uppal


If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be_________________?

  • (A)  higher than the surface of liquid
  • (B)  the same as the surface of liquid
  • (C)  lower than the surface of liquid
  • (D)  unpredictable
  • (E)  none of the above
Submitted By :Ali Uppal


Falling drops of water become spheres due to the property of ________________?

  • (A)  adhesion
  • (B)  cohesion
  • (C)  surface tension
  • (D)  viscosity
  • (E)  compressibility
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


Specific weight of sea water is more that of pure water because it contains ________________?

  • (A)  dissolved air
  • (B)  dissolved salt
  • (C)  suspended matter
  • (D)  all of the above
  • (E)  heavy water
Submitted By :Ali Uppal


Specific weight of water in S.I. units is equal to_________________?

  • (A)  1000 N/m3
  • (B)  10000 N/m3
  • (C)  9.81 xlO3 N/m3
  • (D)  9.81 xlO6N/m3
  • (E)  9.81 N/m3
Submitted By :Ali Uppal