Allied & ICAR Exam Bank • ALLIED_0766 MCQ • 1 Mark

Section 7: Dairy and Food Engineering

Dairy Unit Operations

Subtopic: Dairy Unit Operations

Question Statement:

In spray drying of milk powder, the atomizer converts concentrated milk into fine mist droplets ($50-150\text{ \mu m}$) to:

Options:

  • (A) Create an immense specific surface area that allows drying to finish in 5 to 30 seconds with minimal heat damage to milk proteins
  • (B) Freeze the milk instantaneously
  • (C) Sterilize the powder
  • (D) Condense the steam

Answer Key:

A

Step-by-Step Solution & Explanation

Atomization multiplies surface area by thousands of times, enabling lightning-fast convective mass transfer at wet bulb temperatures.
← Previous (ALLIED_0765) Next (ALLIED_0767) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test