Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centre of gravity remains above the centre of gravity coincides with the centroid of the volume of fluid displaced remains below the centre of gravity coincides with the centre of gravity remains above the centre of gravity coincides with the centroid of the volume of fluid displaced remains below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will may increase or decrease depending on the characteristics of liquid decrease increase remain unaffected may increase or decrease depending on the characteristics of liquid decrease increase remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power produced by the reaction turbine is ________ to the head of water. Directly proportional None of these Inversely proportional 4th power Directly proportional None of these Inversely proportional 4th power ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.4 0.5 0.6 0.8 0.4 0.5 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
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