Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is could be above or below e.g. depending on density of body and liquid at the center of gravity below be center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid at the center of gravity below be center of gravity above the center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine with increase in unit speed Decreases First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases Increases Remain unaffected 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 0.20 cm 0.10 cm 0.40 cm 0.05 cm 0.20 cm 0.10 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is Between 2000 and 2800 Less than 2000 More than 2800 None of these Between 2000 and 2800 Less than 2000 More than 2800 None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of a liquid particle in motion is equal to Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) Kinetic energy - (pressure energy + potential energy) Pressure energy + kinetic energy + potential energy Potential energy - (pressure energy + kinetic energy Pressure energy - (kinetic energy + potential energy) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton’s law of viscosity relates shear stress, viscosity and temperature shear stress and rate of angular deformation viscosity and rate of angular deformation intensity of pressure and rate of angular deformation shear stress, viscosity and temperature shear stress and rate of angular deformation viscosity and rate of angular deformation intensity of pressure and rate of angular deformation ANSWER DOWNLOAD EXAMIANS APP
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