Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 20-25° 30-40° 50-60° 10-15° 20-25° 30-40° 50-60° 10-15° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is unity greater than 2 greater than unity greater than 4 unity greater than 2 greater than unity greater than 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is more than 5 times the height of orifice The size of orifice is large The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The available head of liquid is more than 5 times the height of orifice The size of orifice is large The available head of liquid is less than 5 times the height of orifice The velocity of flow is large ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at the summit of a syphon is more than atmospheric less than atmospheric equal to atmospheric None of these more than atmospheric less than atmospheric equal to atmospheric None of these 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. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the velocity distribution is uniform over the cross-section, the correction factor for momentum is 2 1 43924 2 1 43924 ANSWER DOWNLOAD EXAMIANS APP
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