Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = 0 ∂/∂t = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂s = constant ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Increases Decreases Remains constant Increases linearly Increases Decreases Remains constant Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Lower BWG means __________ of the tube. Lower cross-section Inner diameter Outer diameter Lower thickness Lower cross-section Inner diameter Outer diameter Lower thickness ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m³/s? The Fanning friction factor, f is 0.0062. 12 m 11 m 20 m 10 m 12 m 11 m 20 m 10 m 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 Control the liquid discharge Remove the contaminant present in the liquid Minimise the fluctuation in discharge Avoid priming, every time we start the pump Control the liquid discharge Remove the contaminant present in the liquid Minimise the fluctuation in discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed ; it does not make any difference Closed Either opened or closed; depending on the fluid viscosity Opened Either opened or closed ; it does not make any difference Closed Either opened or closed; depending on the fluid viscosity Opened ANSWER DOWNLOAD EXAMIANS APP
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