Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is V1 / (V1 - V2) (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) V1 / (V1 - V2) (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) 0.5v²/2g v²/2g 0.375v²/2g 0.75v²/2g 0.5v²/2g v²/2g 0.375v²/2g 0.75v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of the liquid flowing through the divergent portion of a Venturimeter Depends upon mass of liquid Decreases Increases Remains constant Depends upon mass of liquid Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is ρ ω2 r2 ρ ω2 r2/2 2ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2 ρ ω2 r2/2 2ρ ω2 r2 ρ ω2 r2/4 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Venturimeter is used to Measure the pressure of a flowing liquid Measure the discharge of liquid flowing in a pipe Measure the pressure difference of liquid flowing between two points in a pipe line Measure the velocity of a flowing liquid Measure the pressure of a flowing liquid Measure the discharge of liquid flowing in a pipe Measure the pressure difference of liquid flowing between two points in a pipe line Measure the velocity of a flowing liquid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS