Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor 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 speed ratio in case of Francis turbine varies from 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The function of guide vanes in a reaction turbine is to All of the listed here Allow the water to flow over them, without forming eddies Allow the water to enter the runner without shock Allow the required quantity of water to enter the turbine All of the listed here Allow the water to flow over them, without forming eddies Allow the water to enter the runner without shock Allow the required quantity of water to enter the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.5 0.8 0.4 0.6 0.5 0.8 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? Underground flow Flow past tiny bodies All of these Flow of oil in measuring instruments Underground flow Flow past tiny bodies All of these Flow of oil in measuring instruments 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 R² /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R² /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R² /1800 t μ π³ N² R⁴ /3600 t ANSWER DOWNLOAD EXAMIANS APP