Hydraulics and Fluid Mechanics in ME A Francis turbine is used when the available head of water is 25 m to 250 m Above 250 m None of these 0 to 25 m 25 m to 250 m Above 250 m None of these 0 to 25 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation is caused by high velocity high pressure weak material low pressure high velocity high pressure weak material low pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is at the center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity at the center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity 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 H3/2 Directly proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2 ρ ω2 r2/4 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2 ρ ω2 r2/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME To avoid an interruption in the flow of a syphon, an air vessel is provided at the outlet at the summit at the inlet ay nay point between inlet and outlet at the outlet at the summit at the inlet ay nay point between inlet and outlet ANSWER DOWNLOAD EXAMIANS APP