Hydraulics and Fluid Mechanics in ME The undershot water wheels are those in which None of these The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the impulse of water None of these The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the impulse of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) wAx wA/x wA wx wAx wA/x wA wx ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A streamline is defined as the line parallel to outer surface of pipe along which the pressure drop is uniform of equal yelocity in a flow parallel to central axis flow parallel to outer surface of pipe along which the pressure drop is uniform of equal yelocity in a flow parallel to central axis flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Pelton wheel with one nozzle Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Kaplan turbine Francis turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 48.2 r.p.m 82.4 r.p.m. 24.8 r.p.m. 248 r.p.m 48.2 r.p.m 82.4 r.p.m. 24.8 r.p.m. 248 r.p.m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is More than 2800 Between 2000 and 2800 Less than 2000 None of these More than 2800 Between 2000 and 2800 Less than 2000 None of these ANSWER DOWNLOAD EXAMIANS APP