Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2gH √(2gh) 2g × √H H × √(2g) 2gH √(2gh) 2g × √H H × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is Between 1 and 6 More than 6 Less than unity Unity Between 1 and 6 More than 6 Less than unity Unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be 10m 100m None of these 1 m 10m 100m None of these 1 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 20° to 25° 15° to 20° 10° to 15° 25° to 30° 20° to 25° 15° to 20° 10° to 15° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is More than 2800 Between 2000 and 2800 None of these Less than 2000 More than 2800 Between 2000 and 2800 None of these Less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids transmit pressure equally in all the directions. This is according to Newton's formula Archimedes principle Pascal's law Boyle's law Newton's formula Archimedes principle Pascal's law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
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