Hydraulics and Fluid Mechanics in ME A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called Turbulent flow Steady flow Uniform flow Streamline flow Turbulent flow Steady flow Uniform flow Streamline flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. Above At None of these Below Above At None of these Below 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 0.46 0.26 0.36 0.56 0.46 0.26 0.36 0.56 ANSWER DOWNLOAD EXAMIANS APP
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) waV² / 2g waV² / g waV / g waV / 2g waV² / 2g waV² / g waV / g waV / 2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Remain same None of these Increases Decreases Remain same None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Bernoulli's equation is based on the assumption that The velocity of flow is uniform across any cross-section of the pipe No force except gravity acts on the fluid All of these There is no loss of energy of the liquid flowing The velocity of flow is uniform across any cross-section of the pipe No force except gravity acts on the fluid All of these There is no loss of energy of the liquid flowing ANSWER DOWNLOAD EXAMIANS APP