Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the __________ is called Euler's number. Viscous force Surface tension force Pressure force Elastic force Viscous force Surface tension force Pressure force Elastic force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as Mechanical efficiency Manometric efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Manometric efficiency Overall efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is a function of Reynolds number and relative roughness dependent only on Reynolds number dependent on relative roughness only constant a function of Reynolds number and relative roughness dependent only on Reynolds number dependent on relative roughness only constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest. None of these Less than Equal to More than None of these Less than Equal to More than 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
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is More than 2800 Less than 2000 None of these Between 2000 and 2800 More than 2800 Less than 2000 None of these Between 2000 and 2800 ANSWER DOWNLOAD EXAMIANS APP