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Civil Engineering Mcqs

The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will_______________?

  • (A)  increase
  • (B)  remain unaffected
  • (C)  may increase or decrease depending on the characteristics of liquid
  • (D)  decrease
  • (E)  unpredictable
Submitted By :Ali Uppal


The units of dynamic or absolute viscosity are_______________?

  • (A)  metres2 per sec
  • (B)  kg sec/meter
  • (C)  newton-sec per meter
  • (D)  newton-sec2 per meter
  • (E)  none of the above
Submitted By :Ali Uppal


The peoperty by virtue of which a liquid opposes relative motion between its different layers is called_________________?

  • (A)  surface tension
  • (B)  co-efficient of viscosity
  • (C)  viscosity
  • (D)  osmosis
  • (E)  cohesion
Submitted By :Ali Uppal


To avoid an interruption in the flow of a syphon, an air vessel is provided______________?

  • (A)  at the inlet
  • (B)  at the outlet
  • (C)  at the summit
  • (D)  ay nay point between inlet and outlet
  • (E)  none of the above
Submitted By :Ali Uppal


If the surface of liquid is convex, men_________________?

  • (A)  cohesion pressure is negligible
  • (B)  cohesion pressure is decreased
  • (C)  cohesion pressure is increased
  • (D)  there is no cohesion pressure
  • (E)  none of the above
Submitted By :Ali Uppal


Rain drops are spherical because of____________________?

  • (A)  viscosity
  • (B)  air resistance
  • (C)  surface tension forces
  • (D)  atmospheric pressure
  • (E)  none of the above
Submitted By :Ali Uppal


The angle of contact in case of a liquid depends upon____________________?

  • (A)  the nature of the liquid and the solid
  • (B)  the material which exists above the free surface of the liquid
  • (C)  both of die above
  • (D)  any one of the above
  • (E)  none of die above
Submitted By :Ali Uppal


The center of gravity of the volume of the liquid displaced by an immersed body is called________________?

  • (A)  meta-center
  • (B)  center of pressure
  • (C)  center of buoyancy
  • (D)  center of gravity
  • (E)  none of the above
Submitted By :Ali Uppal


If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its_______________?

  • (A)  specific weight
  • (B)  specific mass
  • (C)  specific gravity
  • (D)  specific density
  • (E)  none of the above
Submitted By :Ali Uppal


To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than_______________?

  • (A)  2.4 m above the hydraulic gradient
  • (B)  6.4 m above the hydraulic gradient
  • (C)  10.0 m above the hydraulic gradient
  • (D)  5.0 above the hydraulic gradient
  • (E)  none of the above
Submitted By :Ali Uppal