Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having higher surface tension high density and viscosity lower surface tension surface tension is no criterion higher surface tension high density and viscosity lower surface tension surface tension is no criterion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Super-sonic flow Sonic flow Hyper-sonic flow Sub-sonic flow Super-sonic flow Sonic flow Hyper-sonic flow Sub-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed from 160 to 500 r.p.m. of a centrifugal pump indicates that the pump is High speed with axial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with axial flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Venturimeter is used to Measure the pressure difference of liquid flowing between two points in a pipe line Measure the pressure of a flowing liquid Measure the velocity of a flowing liquid Measure the discharge of liquid flowing in a pipe Measure the pressure difference of liquid flowing between two points in a pipe line Measure the pressure of a flowing liquid Measure the velocity of a flowing liquid Measure the discharge of liquid flowing in a pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions) (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 (2/3) × Cd (L - nH) × √(2gh) (2/3) × Cd (L - nH) × √(2g) × H² (2/3) × Cd (L - nH) × √(2g) × H5/2 (2/3) × Cd (L - 0.1nH) × √(2g) × H3/2 ANSWER DOWNLOAD EXAMIANS APP