The upper critical Reynolds number is

Fluid Mechanics and Hydraulic Machines Mcqs
BILAL KHATTAK0

A.Important from a design view point
B.The number at which turbulent flow changes to laminar flow
C.About 2000
D.Not more than 2000
E.Of no practical importance in pipe flow problems

Related Mcqs:

  1. The general energy equation is applicable to
  2. A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is known as
  3. If the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, the flow is said to be
  4. Maximum heat transfer rate can be expected in case of
  5. In which of the following cases it is possible for flow to occur from low pressure to high pressure?
  6. Pascal’s law states that pressure at a point is equal in all directions
  7. Hammer blow in pipe occurs when
  8. The flow in a pipe is laminar if the Reynolds number is
  9. The velocity potential exists
  10. A flow in which each liquid particle has a definite path and their paths do not cross each other is called

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