Fluid Mechanics Boundary layer separation occurs when the Cross-section of the channel is reduced Valve is closed in a pipeline Pressure reaches a minimum Velocity of sound is reached Cross-section of the channel is reduced Valve is closed in a pipeline Pressure reaches a minimum Velocity of sound is reached 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 Increase Data insufficient to predict pressure drop Decrease Remain same Increase Data insufficient to predict pressure drop Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Deliver liquid at uniform pressure Can handle slurries more efficiently Are not subject to air binding Can be operated with delivery valve closed Deliver liquid at uniform pressure Can handle slurries more efficiently Are not subject to air binding Can be operated with delivery valve closed 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 None of these Head Discharge Efficiency None of these Head Discharge Efficiency ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d2/3 √d d2 d1/3 d2/3 √d d2 d1/3 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 x 2x πx x/2 x 2x πx ANSWER DOWNLOAD EXAMIANS APP
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