Question: Calculate temperature change: 20 000 l/h cheese milk (V1) is to be heated from 4°C to 34°C by 30 000 l/h hot water (V2) at 50°C. Density (r) and specific heat (cp) for milk are about 1020 kg/m3 and 3.95 kJ/kg, K and for water 990 (at 50°C) and 4.18.
Options
A : 20.5?
B : 21.5?
C : 18.8?
D : 19.5?
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