Physical Aspects of Conical Flow MCQ

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• The flow properties remain constant in a conical flow over which of the following?
  ক

  Ray from a vertex

  খ

  Along the axis

  গ

  Along the conical base

  ঘ

  Interior of the conical surface
• What happens to the velocity downstream of the shock as the deflection angle increases?
  ক

  Remains same

  খ

  Increases

  গ

  Decreases

  ঘ

  Tends to infinity
• What information does the shock polar provide?
  ক

  Oblique shock properties

  খ

  Normal shock properties

  গ

  Shock angle

  ঘ

  Intensity of shock
• What is the shape of the shock wave formed over a cone in a supersonic flow?
  ক

  Normal shock

  খ

  Conical shock

  গ

  Straight shock

  ঘ

  Triangular shock
• What is the application of studying conical flow?
  ক

  Re-entry shuttle

  খ

  Boeing A – 320

  গ

  Flow over flat plate in wind – tunnel

  ঘ

  Hot – air balloon
• For a wedge and cone of same half angle, the shock wave formed at the cone is weaker.
  ক

  True

  খ

  False
• 3D relieving effect is a consequence of which of these flows?
  ক

  Flow over a wedge

  খ

  Flow over a flat – plate

  গ

  Flow over a cone

  ঘ

  Flow over a flat plate kept at 90 degrees
• The flow stream behind the shock in a conical flow is parallel to the conical surface.
  ক

  True

  খ

  False
• Conical flow is an example of which of these flows?
  ক

  Axisymmetric flow

  খ

  Two – dimensional flow

  গ

  Flow symmetrical about x – z plane

  ঘ

  One – dimensional flow