Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. None of these Increases Decreases Remain unaffected None of these Increases Decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R⁴ /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /1800 t μ π³ N² R² /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /1800 t μ π³ N² R² /3600 t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. More than Equal to None of these Less than More than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The product of mass and acceleration of flowing liquid is called Gravity force Inertia force Viscous force Pressure force Gravity force Inertia force Viscous force Pressure force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is less than 4000 between 2000 and 4000 more than 4000 less than 2000 less than 4000 between 2000 and 4000 more than 4000 less than 2000 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) 0.10 cm 0.05 cm 0.20 cm 0.40 cm 0.10 cm 0.05 cm 0.20 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP
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