In Hagen-poiseuille flow of viscous liquid, one of the following pairs of forces strike a balance

Related MCQs

• For pumping highly viscous fluid viscous, the type of pump enerally used is
• Under which two of the following regimes would the assumption of a continuum be reasonable (1) Free molecule flow (2) Gas dynamics (3) Slip flow (4) Complete vacuum (5) Liquid flow
• The laminar/viscous flow is characterized by Reynolds number which is
• For viscous flow the co-efficient of friction is given by
• In case of viscous flow through circular pipes
• The ratio between inertial forces and the square root of pressure forces is known as
• In case of turbulent flow of a fluid through a circular tube (as compared to the case of laminar flow at the same flow rate) the maximum velocity is ....., shear stress at the wall is ....., and the pressure drop across a given length is ....., the correct words for the blanks are, respectively
• ......... is the ratio of the inertia force to the viscous force.
• The terminal velocity of a small sphere setting in a viscous fluid varies as the
• If A is the area of the immersed surface, w is the specific weight of the liquid and ͞x is the depth of horizontal surface from the liquid surface, then the total pressure P on the surface is given by