Fluid Mechanics A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now Remain same Decrease Data insufficient to predict Increase Remain same Decrease Data insufficient to predict Increase ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 0.5 1.5 1 2 0.5 1.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In deriving Bernoulli's equation, fluid is assumed to be Incompressible, frictionless, steady, along a streamline Uniform, steady, incompressible, along a streamline None of these Steady, density being pressure dependent, frictionless Incompressible, frictionless, steady, along a streamline Uniform, steady, incompressible, along a streamline None of these Steady, density being pressure dependent, frictionless 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). 24 24000 0.44 0.24 24 24000 0.44 0.24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to Develop effective pressure rise by the pump None of these Increase the mass flow rate of fluid Avoid chances of separation inside the impeller Develop effective pressure rise by the pump None of these Increase the mass flow rate of fluid Avoid chances of separation inside the impeller ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Having no motion of one fluid layer relative to the other Incompressible Both A and B Non-viscous Having no motion of one fluid layer relative to the other Incompressible Both A and B Non-viscous ANSWER DOWNLOAD EXAMIANS APP
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