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Civil Engineering Mcqs

Submitted By :Ali Uppal


In case of an airfoil, the separation of flow occurs________________?

  • (A)  at the extreme rear of body
  • (B)  at the extreme front of body
  • (C)  midway between rear and front of body
  • (D)  any where between rear and front of body depending upon Reynolds number
Submitted By :Ali Uppal


Submitted By :Ali Uppal


With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on__________________?

  • (A)  a circular disc of plate held normal to flow
  • (B)  a sphere
  • (C)  a cylinder
  • (D)  a streamlined body
Submitted By :Ali Uppal


For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?

  • (A)  constant
  • (B)  dependent only on Reynolds number
  • (C)  a function of Reynolds number and relative roughness
  • (D)  dependent on relative roughness only
Submitted By :Ali Uppal


For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is________________?

  • (A)  directly proportional to Reynolds number and independent of pipe wall roughness
  • (B)  directly proportional to pipe wall roughness and independent of Reynolds number
  • (C)  inversely proportional to Reynolds number and indpendent of pipe wall roughness
  • (D)  inversely proportional to Reynolds number and directly proportional to pipe wall roughness
Submitted By :Ali Uppal


Submitted By :Ali Uppal


The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is__________________?

  • (A)  laminar flow
  • (B)  transition flow
  • (C)  turbulent flow
  • (D)  not predictable from the given data
Submitted By :Ali Uppal


The velocity distribution for laminar flow through a circular tube__________________?

  • (A)  is constant over the cross-section
  • (B)  varies linearly from zero at walls to maximum at centre
  • (C)  varies parabolically with maximum at the centre
  • (D)  none of the above
Submitted By :Ali Uppal


Equation of continuity is based on the principle of conservation of_________________?

  • (A)  mass
  • (B)  energy
  • (C)  momentum
  • (D)  none of the above
Submitted By :Ali Uppal