1.

Which of the following expressions correctly represents the relationship between cross-sectional area of a nozzle, fluid velocity and specific volume?

A. \(\frac{dA}{A}+\frac{dC}{C}=\frac{dv}{v} \)
B. \(\frac{dA}{A}-\frac{dC}{C}=\frac{dv}{v} \)
C. \(\frac{dA}{A}+\frac{dC}{C}+\frac{dv}{v}\) = 0
D. \(\frac{dA}{A}+\frac{dv}{v}=\frac{dC}{C} \)
Answer» B. \(\frac{dA}{A}-\frac{dC}{C}=\frac{dv}{v} \)


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