Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Smoothen flow Save pump from cavitations Reduce acceleration to minimum Increase pump efficiency Smoothen flow Save pump from cavitations Reduce acceleration to minimum Increase pump efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Increases Decreases Remain same None of these Increases Decreases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream May increase/decrease Keeps on increasing Remain constant Keeps on decreasing May increase/decrease Keeps on increasing Remain constant Keeps on decreasing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be H.P./0.75 Same 1.5 B.H.P 0.75 B.H.P H.P./0.75 Same 1.5 B.H.P 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure Decreases as the square of the radial distance Increases linearly as its radial distance Increases as the square of the radial distance Varies as the square of the radial distance Decreases as the square of the radial distance Increases linearly as its radial distance Increases as the square of the radial distance Varies as the square of the radial distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are less equal more less at low temperature and more at high temperature less equal more less at low temperature and more at high temperature ANSWER DOWNLOAD EXAMIANS APP
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