Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere lowest pressure intensity occurs at rear stagnation point total drag is zero lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at rear stagnation point total drag is zero lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV / g waV² / 2g waV² / g waV / 2g waV / g waV² / 2g waV² / g waV / 2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine with increase in unit speed Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of immersed surface Centre of pressure Centre of depth Centre of gravity Centre of immersed surface Centre of pressure Centre of depth Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is one-half its value when cylinder was full zero one-fourth its value when cylinder was full cannot be predicted from the given data one-half its value when cylinder was full zero one-fourth its value when cylinder was full cannot be predicted from the given data ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They are suitable even for low water heads All of these They give constant efficiency, even if the discharge is not constant They have slow speeds They are suitable even for low water heads All of these They give constant efficiency, even if the discharge is not constant They have slow speeds ANSWER DOWNLOAD EXAMIANS APP
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