Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by All of these Providing highly polished blades to the runner Installing the turbine below the tail race level Using stainless steel runner of the turbine All of these Providing highly polished blades to the runner Installing the turbine below the tail race level Using stainless steel runner of the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity is large when fluid is more compressible has the dimensions of 1/pressure is independent of pressure and viscosity increases with pressure is large when fluid is more compressible has the dimensions of 1/pressure is independent of pressure and viscosity increases with pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The runaway speed of a hydraulic turbine is the speed At which there will be no damage to the runner At full load Corresponding to maximum overload permissible At which the turbine will run freely without load At which there will be no damage to the runner At full load Corresponding to maximum overload permissible At which the turbine will run freely without load ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific weight of water in S.I. units is equal to 1000 N/m3 9.81 xlO3 N/m3 10000 N/m3 9.81 xlO6 N/m3 1000 N/m3 9.81 xlO3 N/m3 10000 N/m3 9.81 xlO6 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same Decreases None of these Increases Remain same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is above the center of gravity below be center of gravity could be above or below e.g. depending on density of body and liquid at the center of gravity above the center of gravity below be center of gravity could be above or below e.g. depending on density of body and liquid at the center of gravity ANSWER DOWNLOAD EXAMIANS APP