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. NPSH required BHP required by the pump All of these Head of the liquid pumped NPSH required BHP required by the pump All of these Head of the liquid pumped ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Dynamic similarity only Both geometrical and dynamic similarity All of these Geometrical similarity only Dynamic similarity only Both geometrical and dynamic similarity All of these Geometrical similarity only 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). 0.24 24000 24 0.44 0.24 24000 24 0.44 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Specific speed of a centrifugal pump relates it with another pump having the Geometrical similarity Same efficiency Dynamic similarity Same speed Geometrical similarity Same efficiency Dynamic similarity Same speed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to elastic forces is called the __________ number. Weber Reynolds Euler Mach Weber Reynolds Euler Mach ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 1000 10 2000 100 1000 10 2000 100 ANSWER DOWNLOAD EXAMIANS APP
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