Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 45° bend 90° bend U-bend 30° bend 45° bend 90° bend U-bend 30° bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) x/2 πx 2x x x/2 πx 2x x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Remain same Unpredictable Increase Decrease Remain same Unpredictable Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Data insufficient to predict pressure drop Decrease Increase Remain same Data insufficient to predict pressure drop Decrease Increase Remain same ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field) Increases exponentially Increases linearly Remains constant Decreases Increases exponentially Increases linearly Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Temperature remains constant Density does not change with pressure & temperature Compressibility is greater than zero Is frictionless Temperature remains constant Density does not change with pressure & temperature Compressibility is greater than zero Is frictionless ANSWER DOWNLOAD EXAMIANS APP