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) waV / 2g waV / g waV² / 2g waV² / g waV / 2g waV / g waV² / 2g waV² / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency. Hydraulic Overall Mechanical None of these Hydraulic Overall Mechanical None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - cos φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.26 0.56 0.46 0.36 0.26 0.56 0.46 0.36 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to diameter and speed of impeller Proportional to diameter of impeller Proportional to speed of impeller None of these Proportional to diameter and speed of impeller Proportional to diameter of impeller Proportional to speed of impeller None of these 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 delivery pressure should be low The suction pressure should be high The suction pressure should be low The delivery pressure should be high The delivery pressure should be low The suction pressure should be high The suction pressure should be low ANSWER DOWNLOAD EXAMIANS APP
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