Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² √(HW/π) HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² √(HW/π) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Schmidt number tends to infinity Nusselt number tends to infinity Archimedes number is greater than 10000 Prandtl number is one Schmidt number tends to infinity Nusselt number tends to infinity Archimedes number is greater than 10000 Prandtl number is one ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately? 0.1 0.3 0.003 0.01 0.1 0.3 0.003 0.01 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Minimise the fluctuation in discharge Control the liquid discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump Minimise the fluctuation in discharge Control the liquid discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The pressure drop per unit length of pipe incurred by a fluid 'X' flowing through pipe is Δp. If another fluid 'Y' having both the specific gravity & density just double of that of fluid 'X', flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be Δp/2 Δp 2Δp Δp² Δp/2 Δp 2Δp Δp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg. 0.01 0.1 1 0.001 0.01 0.1 1 0.001 ANSWER DOWNLOAD EXAMIANS APP
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