Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Providing highly polished blades to the runner All of these Installing the turbine below the tail race level Using stainless steel runner of the turbine Providing highly polished blades to the runner All of these 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 For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to gravitation ratio of inertial force to force due to surface tension ratio of inertial force to force due to viscosity all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to gravitation ratio of inertial force to force due to surface tension ratio of inertial force to force due to viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface. Concave None of these Convex Plane Concave None of these Convex Plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is Less than 2000 None of these More than 2800 Between 2000 and 2800 Less than 2000 None of these More than 2800 Between 2000 and 2800 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts Reduces the discharge of a turbine All of these Causes sudden drop in power output and efficiency Causes noise and vibration of various parts Reduces the discharge of a turbine All of these Causes sudden drop in power output and efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R⁴ /1800 t μ π³ N² R² /1800 t μ π³ N² R² /3600 t μ π³ N² R⁴ /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R² /1800 t μ π³ N² R² /3600 t μ π³ N² R⁴ /3600 t ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS