Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used For safety of turbine To increase flow rate To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To increase flow rate To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section 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 ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 2ρ ω2 r2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity of the liquid flowing through the divergent portion of a Venturimeter Increases Remains constant Decreases Depends upon mass of liquid Increases Remains constant Decreases Depends upon mass of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.05 cm 0.40 cm 0.20 cm 0.10 cm 0.05 cm 0.40 cm 0.20 cm 0.10 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the ratio's of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have. Geometric similarity Kinematic similarity None of these Dynamic similarity Geometric similarity Kinematic similarity None of these Dynamic similarity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid in equilibrium can't sustain Bending stress Tensile stress Compressive stress Shear stress Bending stress Tensile stress Compressive stress Shear stress ANSWER DOWNLOAD EXAMIANS APP