1.

What is the irrotationally condition for a conical flow?

A. V<sub> </sub> = ( frac { (V_r )}{ } )
B. V<sub> </sub> = ( frac { (V_r )}{ } )
C. V<sub> </sub> = ( frac {1}{r} frac { (V_ )}{ } )
D. V<sub> </sub> = ( frac { (V_r )}{ } )V<sub>r</sub>
Answer» B. V<sub> </sub> = ( frac { (V_r )}{ } )


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