Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Transition Equivalent None of these Prandtl mixing Transition Equivalent None of these Prandtl mixing ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 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 Head of the liquid pumped All of these BHP required by the pump NPSH required Head of the liquid pumped All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Control the liquid discharge Minimise the fluctuation in discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid Control the liquid discharge Minimise the fluctuation in discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For the transfer of solution of thick slurry, the pump used is a __________ pump. Gear Diaphragm Reciprocating Centrifugal Gear Diaphragm Reciprocating Centrifugal 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 2Δp Δp/2 Δp² Δp 2Δp Δp/2 Δp² Δp ANSWER DOWNLOAD EXAMIANS APP
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