Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having 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 lower surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is more than 4000 between 2000 and 4000 less than 2000 less than 4000 more than 4000 between 2000 and 4000 less than 2000 less than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are less equal less at low temperature and more at high temperature more less equal less at low temperature and more at high temperature more ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following has highest coefficient of discharge ? sharp edged orifice CipoUetti weir venturimeter Borda’s mouthpiece running full sharp edged orifice CipoUetti weir venturimeter Borda’s mouthpiece running full ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic coupling belongs to the category of Energy generating machines Energy transfer machines Power developing machines Power absorbing machines Energy generating machines Energy transfer machines Power developing machines Power absorbing machines 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) 0.20 cm 0.05 cm 0.10 cm 0.40 cm 0.20 cm 0.05 cm 0.10 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP