Allied & ICAR Exam Bank • ALLIED_1318 NAT • 1 Mark

Section 7: Dairy and Food Engineering

Dairy Unit Operations

Subtopic: Milk Evaporation Boiling Point Elevation

Question Statement:

In a vacuum evaporator, saturated water boils at $60.0^\circ\text{C}$ under the operating vacuum pressure. If the boiling point elevation (BPE) of the concentrated milk solution is $1.5^\circ\text{C}$, the boiling temperature of the milk in the evaporator in degrees Celsius is:

Answer Key:

61.5

Step-by-Step Solution & Explanation

$T_{boil} = T_{sat} + BPE = 60.0 + 1.5 = 61.5^\circ\text{C}$.
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