The component of acceleration resulting due to unsteady nature of flow is called ____________ acceleration?

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In isotropic turbulence, the _____________ are equal to each other?

A. Temporal velocity components B. Mean square of velocity fluctuations in the three co-ordinate directions C. Root mean square of velocity fluctuations in the three co-ordinate directions D. None of these...

Slurries can be most conveniently pumped by a _______________ pump?

A. Screw B. Reciprocating C. Gear D. Centrifugal...

Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?

A. Df + Bf = Wf B. Df = Bf + Wf C. Df + Bf + Wf =0 D. None of these...

Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?

A. The length of entrance region of pipe, in which full development of fluid flow takes place such that velocity profile does not change downstream, is called the transition length B. Transition length for laminar flow of Newtonian fluids in a pipe of diameter ‘d’ is equal to 0.05. D.NRe C. Transition length for turbulent … Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?Read More...

Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton’s law of viscosity. (II) Newton’s second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary?

A. I, II, III B. II, III, V C. I, II, V D. II, IV, V...