Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall Horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Decreases None of these Increases Remain same Decreases None of these Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is equal slightly less slightly more nearly half equal slightly less slightly more nearly half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the None of these Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the work done on the wheel to the energy of the jet Ratio of the actual work available at the turbine to the energy imparted to the wheel None of these Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine Ratio of the work done on the wheel to the energy of the jet Ratio of the actual work available at the turbine to the energy imparted to the wheel 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 0.20 cm 0.05 cm 0.40 cm 0.10 cm 0.20 cm 0.05 cm 0.40 cm ANSWER DOWNLOAD EXAMIANS APP