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.

Calculate temperature change: 20,000 l/h cheese milk (V1) is to be hea

1.	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.
A.	20.5℃
B.	21.5℃
C.	18.8℃
D.	19.5℃
Answer» E.