Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Equivalent Prandtl mixing Transition None of these Equivalent Prandtl mixing Transition None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double Discharge Efficiency Head None of these Discharge Efficiency Head None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics 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. I, II, III II, III, V I, II, V II, IV, V I, II, III II, III, V I, II, V II, IV, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Temperature remains constant Compressibility is greater than zero Is frictionless Density does not change with pressure & temperature Temperature remains constant Compressibility is greater than zero Is frictionless Density does not change with pressure & temperature ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet. R and S P, Q and R P and R P, Rand S R and S P, Q and R P and R P, Rand S ANSWER DOWNLOAD EXAMIANS APP
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