Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Non-viscous Incompressible Having no motion of one fluid layer relative to the other Both A and B Non-viscous Incompressible Having no motion of one fluid layer relative to the other Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) x πx 2x x/2 x πx 2x x/2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? Low suction pressure High suction pressure Low barometric pressure High suction velocity Low suction pressure High suction pressure Low barometric pressure High suction velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Produces only tangential current Does not produce tangential current Produces only radial current Is effective over wide range of viscosities Produces only tangential current Does not produce tangential current Produces only radial current Is effective over wide range of viscosities ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the Back flow through impeller Loss of static head None of these Loss of kinetic head Back flow through impeller Loss of static head None of these Loss of kinetic head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Remains constant Increases Decreases Increases linearly Remains constant Increases Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
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