1.

What is the enthalpy balance for three phase system?

A. h<sub>F</sub>F + Q =h<sub>v</sub>V + h<sub>L</sub>L<sup>(1)</sup> + hLL<sup>(2)</sup>
B. h<sub>F</sub>F =h<sub>v</sub>V + h<sub>L</sub>L<sup>(1)</sup> + h<sub>L</sub>LL<sup>(2)</sup>
C. h<sub>F</sub>F – Q =h<sub>v</sub>V + h<sub>L</sub><sup>(1)</sup> + h<sub>L</sub>LL<sup>(2)</sup>
D. h<sub>F</sub>F + Q =h<sub>v</sub>V + h<sub>L</sub>L + h<sub>L</sub>LL
Answer» B. h<sub>F</sub>F =h<sub>v</sub>V + h<sub>L</sub>L<sup>(1)</sup> + h<sub>L</sub>LL<sup>(2)</sup>


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