Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Segmental orificemeter Rotameter Pitot tube Hot wire annemometer Segmental orificemeter Rotameter Pitot tube Hot wire annemometer ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is Zero at the pipe wall A universal constant None of these Applicable to laminar flow problems Zero at the pipe wall A universal constant None of these Applicable to laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the Pressure Both A & B Neither A nor B Temperature Pressure Both A & B Neither A nor B Temperature ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² √(HW/π) HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Avoid priming, every time we start the pump Minimise the fluctuation in discharge Remove the contaminant present in the liquid Control the liquid discharge Avoid priming, every time we start the pump Minimise the fluctuation in discharge Remove the contaminant present in the liquid Control the liquid discharge 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. BHP required by the pump NPSH required All of these Head of the liquid pumped BHP required by the pump NPSH required All of these Head of the liquid pumped ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS