Hydraulics and Fluid Mechanics in ME Power required to drive a centrifugal pump is directly proportional to _________ of its impeller. Diameter Fourth power of diameter Cube of diameter Square of diameter Diameter Fourth power of diameter Cube of diameter Square of diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Francis formula for the discharge over Cipoletti weir is 1.84 LH1/2 1.84 LH5/2 1.84 LH 1.84 LH3/2 1.84 LH1/2 1.84 LH5/2 1.84 LH 1.84 LH3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used For safety of turbine To transport water downstream without eddies To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section For safety of turbine To transport water downstream without eddies To increase flow rate To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having surface tension is no criterion 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas is independent of temperature increases with increase in temperature decreases with increase in temperature is independent of pressure for very high pressure intensities is independent of temperature increases with increase in temperature decreases with increase in temperature is independent of pressure for very high pressure intensities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 20-25° 10-15° 30-40° 50-60° 20-25° 10-15° 30-40° 50-60° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS