Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is Inversely proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Directly proportional to diameter of its impeller Inversely proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Directly proportional to diameter of its impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following velocity potentials satisfies continuity equation ? x2-y2 x2 + y2 cosx x2y x2-y2 x2 + y2 cosx x2y ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.223 D 0.707 D 0.577 D 0.423 D 0.223 D 0.707 D 0.577 D 0.423 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. Two-third One-third Three-fourth Equal to Two-third One-third Three-fourth Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Any change in load is adjusted by adjusting following parameter on turbine Net head Blade velocity Absolute velocity Flow Net head Blade velocity Absolute velocity Flow ANSWER DOWNLOAD EXAMIANS APP