Hydraulics and Fluid Mechanics in ME For a body floating in a liquid the normal pressure exerted by the liquid acts at bottom surface of the body e.g. of the body metacentre all points on the surface of the body bottom surface of the body e.g. of the body metacentre all points on the surface of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Impulse turbine is generally fitted Little above the tail race About 2.5 m above the tail race to avoid cavitations Slightly below the tail race At the level of tail race Little above the tail race About 2.5 m above the tail race to avoid cavitations Slightly below the tail race At the level of tail race ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of None of these Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge None of these Area of jet at vena contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity Actual discharge through an orifice to the theoretical discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Choose the correct relationship specific gravity = gravity x density gravity = specific gravity x density kinematicviscosity = dynamicviscosity x density dynamicviscosity = kinematicviscosity x density specific gravity = gravity x density gravity = specific gravity x density kinematicviscosity = dynamicviscosity x density dynamicviscosity = kinematicviscosity x density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The liquid particles at different sections have different velocities Each liquid particle has a definite path The liquid particles at all sections have the same velocities The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities Each liquid particle has a definite path The liquid particles at all sections have the same velocities The quantity of liquid flowing per second is constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine with increase in unit speed Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
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