A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is known as

Related MCQs

• 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
• The motion of a fluid in which the fluid mass rotates without the external force 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
• ........ 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 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
• If one of the walls moves in the direction of flow with uniform velocity while the other wall is stationary, then the resulting flow between parallel walls is called
• 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
• Boundary layer thickness (?) is the distance from the surface of the solid body in the direction perpendicular to flow, where the velocity of fluid is equal to
• The resultant upward pressure of a fluid on a floating body is equal to the wirght of the fluid displaced by the body. This is known as
• The pressure gradient in the direction of flow is equal to the shear gradient in the direction