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). 24 0.44 24000 0.24 24 0.44 24000 0.24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp. 20090 20363 5.5 1 20090 20363 5.5 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the None of these Loss of static head Back flow through impeller Loss of kinetic head None of these Loss of static head Back flow through impeller Loss of kinetic head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Centre of buoyancy None of these Centre of gravity Water surface Centre of buoyancy None of these Centre of gravity Water surface ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can handle slurries more efficiently Deliver liquid at uniform pressure Are not subject to air binding Can be operated with delivery valve closed Can handle slurries more efficiently Deliver liquid at uniform pressure Are not subject to air binding Can be operated with delivery valve closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Closed Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Opened Closed Either opened or closed; depending on the fluid viscosity Either opened or closed ; it does not make any difference Opened ANSWER DOWNLOAD EXAMIANS APP
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