Milk at 400C with a specific temperature of 3.85 kJ / kg K will be pasteurized at 75 oC using saturated steam at 120 oC in a plate heat exchanger. The heat exchanger operates in parallel current. In heating, the latent heat of the steam is used. What is the steam / milk ratio accordingly? The data required for steam is given in the table below.

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3- Milk at 400C with a specific temperature of 3.85 kJ / kg K will be pasteurized at 75 oC using saturated steam at 120 oC in a plate heat exchanger. The heat exchanger operates in parallel current. In heating, the latent heat of the steam is used. What is the steam / milk ratio accordingly? The data required for steam is given in the table below.

Enthalpy (MJ / kg) Temperature (oC) Absolute pressure (kPa) Saturated liquid Evaporation Saturated steam
75 38.5575 0.31394 2.3214 2.6354
120 198.54 0.50372 2.20225 2.70607

A. 17,75
B. 56.33
C. 0,056
D. 0,017
E. 68,7

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