Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.15 to 0.3 0.6 to 0.9 1 to 1.5 0.4 to 0.5 0.15 to 0.3 0.6 to 0.9 1 to 1.5 0.4 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is None of these ηo = ηh × ηm ηm = ηm × ηh ηh = ηo × ηm None of these ηo = ηh × ηm ηm = ηm × ηh ηh = ηo × ηm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for 0 to 25 m head of water? Pelton wheel Kaplan turbine Francis turbine None of these Pelton wheel Kaplan turbine Francis turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Inversely proportional to H1/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force present in a moving liquid is Viscous force All of these Inertia force Gravity force Viscous force All of these Inertia force Gravity force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a venturi-flume, the flow takes place at None of these Gauge pressure Absolute pressure Atmospheric pressure None of these Gauge pressure Absolute pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP