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 A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x V225 minutes 4 x (225)3/2 minutes 4 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 minutes 4 (225)1/3 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of o floating in a fluid of same specific gravity a will float over fluid sink to bottom be fully immersed with top surface at fluid surface partly immersed float over fluid sink to bottom be fully immersed with top surface at fluid surface partly immersed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then None of these the pressure in the liquid mass is greater than hydrostatic pressure there will be vacuum in the liquid the pressure throughout the liquid mass is atmospheric None of these the pressure in the liquid mass is greater than hydrostatic pressure there will be vacuum in the liquid the pressure throughout the liquid mass is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be non-uniform when The liquid particles at all sections have the same velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at different sections have different velocities ANSWER DOWNLOAD EXAMIANS APP
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