Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cv × Cr Cc/Cr Cc × Cr Cc × Cv Cv × Cr Cc/Cr Cc × Cr Cc × Cv ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Falling drops of water become spheres due to the property of cohesion surface tension viscosity adhesion cohesion surface tension viscosity adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2g × √H H × √(2g) 2gH √(2gh) 2g × √H H × √(2g) 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will Be fully immersed with top surface at fluid surface Sink to bottom Float over fluid Partly immersed Be fully immersed with top surface at fluid surface Sink to bottom Float over fluid Partly immersed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To prevent air to enter the turbine To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To transport water to downstream To prevent air to enter the turbine To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To transport water to downstream ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to Avoid the tendency of breaking away the stream of liquid None of these To minimize frictional losses Both (A) and (B) Avoid the tendency of breaking away the stream of liquid None of these To minimize frictional losses Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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