Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Unity None of these Between 1 and 6 Less than unity Unity None of these Between 1 and 6 Less than unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure increases exponentially with elevation decreases linearly with elevation varies in the same way as the density remains constant increases exponentially with elevation decreases linearly with elevation varies in the same way as the density remains constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is 18,000 kg 9,000 kg 27,000 kg 13,500 kg 18,000 kg 9,000 kg 27,000 kg 13,500 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It has zero viscosity It is at rest It has uniform viscosity It is incompressible It has zero viscosity It is at rest It has uniform viscosity It is incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having lower surface tension higher surface tension high density and viscosity surface tension is no criterion lower surface tension higher surface tension high density and viscosity surface tension is no criterion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle placed at the end of a water pipe line discharges water at a High velocity Low velocity Low pressure High pressure High velocity Low velocity Low pressure High pressure ANSWER DOWNLOAD EXAMIANS APP