Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 V/Vmax = (r/x)1/7 None of these V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 V/Vmax = (r/x)1/7 None of these 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 kinetic head Loss of static head None of these Back flow through impeller Loss of kinetic head Loss of static head None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to drag stress Drag stress to inertial stress Inertial stress to gravitational stress Gravitational stress to drag stress Inertial stress to drag stress Drag stress to inertial stress Inertial stress to gravitational stress Gravitational stress to drag stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Function of air vessel provided in a reciprocating pump is to Avoid the necessity of priming Reduce discharge fluctuation Reduce the danger of cavitation Increase the pump efficiency Avoid the necessity of priming Reduce discharge fluctuation Reduce the danger of cavitation Increase the pump efficiency ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Both geometrical and dynamic similarity Dynamic similarity only All of these Geometrical similarity only Both geometrical and dynamic similarity Dynamic similarity only All of these Geometrical similarity only ANSWER DOWNLOAD EXAMIANS APP
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