Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is between 2000 and 4000 less than 2000 more than 4000 less than 4000 between 2000 and 4000 less than 2000 more than 4000 less than 4000 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) waV² / 2g waV / 2g waV / g waV² / g waV² / 2g waV / 2g waV / g waV² / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z - p/w + v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant Z - p/w - v²/2g = constant Z - p/w + v²/2g = constant Z + p/w + v²/2g = constant Z + p/w - v²/2g = constant Z - p/w - v²/2g = constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Practical fluids possess surface tension possess all the above properties are viscous are compressible possess surface tension possess all the above properties are viscous are compressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Some other alterations in the impeller Not possible Designing new impeller Trimming the impeller size to the required size by machining Some other alterations in the impeller Not possible Designing new impeller Trimming the impeller size to the required size by machining 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 0.8 0.6 0.5 0.4 0.8 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
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