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

Related MCQs

• ...... is important in compressible fluid flow problems at high velocities, such as high velocity flow in pipes or motion of high-speed projectiles and missiles.
• A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is known as
• An imaginary curve drawn through a flowing fluid in such a way that the tangent to it at any point gives the direction of the velocity of flow at that point, is known as
• ........ is defined as a scalar function of space and time such that its negative derivative with respect to any direction gives the fluid velocity in that direction.
• An imaginary line drawn through a flow field such that the tangent at any point gives the velocity vector at an instant is known as
• In case the adhesion between moleules of a fluid is greater than cohesion between fluid and the glass, then the free level of the fluid in glass tube dipped in the glass vessel will be
• 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
• When the rheogram for a fluid at any temperature and pressure is a straight line passing through origin, the fluid is said to be
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• ...... is a curve which gives an instantaneous picture of the location of the fluid particles which have passed through a given point.