Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Closed Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Opened Closed Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Opened ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24000 0.24 0.44 24 24000 0.24 0.44 24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump results from High discharge pressure High discharge velocity Low barometric pressure High discharge rate High discharge pressure High discharge velocity Low barometric pressure High discharge rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 d2 √d d2/3 d1/3 d2 √d d2/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics __________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm². Centrifugal Plunger Piston Vane Centrifugal Plunger Piston Vane ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Distance between the throat and the inlet is more Length is shorter Sudden expansion of flow in the downstream occurs Throat diameter is more Distance between the throat and the inlet is more Length is shorter Sudden expansion of flow in the downstream occurs Throat diameter is more ANSWER DOWNLOAD EXAMIANS APP
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