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1. |
What is the expression for Reynolds number for the falling film in a condsenser? |
A. | Re= ( frac{4 ddot{M}}{ rho u} ) |
B. | Re= ( frac{4 ddot{M}}{ rho} ) |
C. | Re= ( frac{4}{ rho u} ) |
D. | Re= ( frac{ ddot{M}}{ rho u} ) |
Answer» B. Re= ( frac{4 ddot{M}}{ rho} ) | |