Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 10 1000 100 2000 10 1000 100 2000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the velocity As velocity As (velocity)² Inversely as the square of diameter Inversely as the velocity As velocity As (velocity)² Inversely as the square of diameter ANSWER DOWNLOAD EXAMIANS APP
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 Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. NPSH required All of these BHP required by the pump Head of the liquid pumped NPSH required All of these BHP required by the pump Head of the liquid pumped ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the All of these Roughness of surface of the body Length of the body in flow direction Pressure of main flow only All of these Roughness of surface of the body Length of the body in flow direction Pressure of main flow only 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 Head Discharge Efficiency None of these Head Discharge Efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
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