Hydraulics and Fluid Mechanics in ME The product of mass and acceleration of flowing liquid is called Inertia force Gravity force Viscous force Pressure force Inertia force Gravity force Viscous force Pressure force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The delivery pressure should be high The suction pressure should be high The suction pressure should be low The delivery pressure should be low The delivery pressure should be high The suction pressure should be high The suction pressure should be low The delivery pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 20-25° 50-60° 10-15° 30-40° 20-25° 50-60° 10-15° 30-40° ANSWER DOWNLOAD EXAMIANS APP
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 The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is Directly proportional to (radius)4 Directly proportional to (radius)2 Inversely proportional to (radius)2 Inversely proportional to (radius)4 Directly proportional to (radius)4 Directly proportional to (radius)2 Inversely proportional to (radius)2 Inversely proportional to (radius)4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (Cd × a)/√(2gh) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (2/3). Cd × a × h Q = (Cd × a)/√(2gh) Q = (3Cd × a)/√(2h) Q = Cd × a × 2gh Q = (2/3). Cd × a × h ANSWER DOWNLOAD EXAMIANS APP
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