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Civil Engineering Mcqs

The vapour pressure over the concave surface is________________?

  • (A)  less man the vapour pressure over the plane surface
  • (B)  equal to the vapour pressure over the plane surface
  • (C)  greater than the vapour pressure over the plane surface
  • (D)  zero
  • (E)  none of the above
Submitted By :Ali Uppal


Surface energy per unit area of a surface is numerically equal to ___________________?

  • (A)  atmospheric pressure
  • (B)  surface tension
  • (C)  force of adhesion
  • (D)  force of cohesion
  • (E)  viscosity
Submitted By :Ali Uppal


Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the______________?

  • (A)  force of adhesion
  • (B)  force of cohesion
  • (C)  force of friction
  • (D)  force of diffusion
  • (E)  none of die above
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The difference of pressure between the inside and outside of a liquid drop is_____________?

  • (A)  p = Txr
  • (B)  p = T/r
  • (C)  p = T/2r
  • (D)  p = 2T/r
  • (E)  none of the above
Submitted By :Ali Uppal


The vapour pressure over the concave surface is__________________?

  • (A)  less man the vapour pressure over the plane surface
  • (B)  equal to the vapour pressure over the plane surface
  • (C)  greater than the vapour pressure over the plane surface
  • (D)  zero
  • (E)  none of the above
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


In an isothermal atmosphere, the pressure__________________?

  • (A)  decreases linearly with elevation
  • (B)  remains constant
  • (C)  varies in the same way as the density
  • (D)  increases exponentially with elevation
  • (E)  unpredictable
Submitted By :Ali Uppal