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 Francis turbine Kaplan turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Francis turbine Kaplan turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Linear deformation is small Resistance to shear stress is small Fluid pressure is zero Only normal stresses can exist Linear deformation is small Resistance to shear stress is small Fluid pressure is zero Only normal stresses can exist ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress-strain graph for a Newtonian fluid is a Elliptical Parabolic curve Hyperbolic curve Straight line Elliptical Parabolic curve Hyperbolic curve Straight line ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mach number is significant in simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls all of fhe above supersonics, as with projectiles and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls all of fhe above supersonics, as with projectiles and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Sub-sonic velocity Critical velocity Velocity of approach Super-sonic velocity Sub-sonic velocity Critical velocity Velocity of approach Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of kinematic viscosity in S. I. units is N-m/s N-m N-s/m2 m2/s N-m/s N-m N-s/m2 m2/s ANSWER DOWNLOAD EXAMIANS APP
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