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). 0.44 24 24000 0.24 0.44 24 24000 0.24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to gravitational stress Gravitational stress to drag stress Drag stress to inertial stress Inertial stress to drag stress Inertial stress to gravitational stress Gravitational stress to drag stress Drag stress to inertial stress Inertial stress to drag stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the Flow of liquid during operation of the pump All of these Discharge pressure Back flow of fluid in the event of stoppage of pump Flow of liquid during operation of the pump All of these Discharge pressure Back flow of fluid in the event of stoppage of pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Closed Opened Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Closed Opened Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Low specific speed of a pump implies that, it is a/an __________ pump. Mixed flow Axial flow None of these Centrifugal Mixed flow Axial flow None of these Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Select the wrong statement pertaining to flow of an incompressible fluid through a venturimeter. For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the venturimeter Venturimeter occupies less space than an orificemeter Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter Venturimeter incurs less power loss compared to an equivalent orificemeter For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the venturimeter Venturimeter occupies less space than an orificemeter Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter Venturimeter incurs less power loss compared to an equivalent orificemeter ANSWER DOWNLOAD EXAMIANS APP
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