Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.65 to 0.75 0.75 to 0.85 0.50 to 0.65 0.85 to 0.90 0.65 to 0.75 0.75 to 0.85 0.50 to 0.65 0.85 to 0.90 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Adhesion Cohesion Surface tension Viscosity Adhesion Cohesion Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Avoid interruption in the flow Increase velocity Maintain pressure difference Increase discharge Avoid interruption in the flow Increase velocity Maintain pressure difference Increase discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Reynold’s number Froude number Weber’s number Mach number Reynold’s number Froude number Weber’s number Mach number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. At None of these Below Above At None of these Below Above 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 0.56 0.36 0.46 0.26 0.56 0.36 ANSWER DOWNLOAD EXAMIANS APP
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