Question

The sequence followed in drum drying system.
A. Feeding of milk concentrate through adjustable pump
B. Grinder and sifter
C. Drying drum
D. Scraper
E. Dried product
Choose the correct answer.

• A. A, C, D, B, E
• B. A, C, B, D, E
• C. A, B, C, D, E
• D. A, C, B, E, D

Hint:

Drum drying always follows: Feed → Dry → Scrape → Grind.

Answer 1

The Correct Option is A

Concept: Drum drying is a method of drying liquid or semi-liquid food by applying it onto the surface of a heated rotating drum.

Step 1: Feeding stage.
Milk concentrate is first:
• Pumped onto drum surface using adjustable pump

Step 2: Drying stage.

• Thin film formed on drum
• Heat evaporates moisture

Step 3: Scraping.

• Dried layer scraped off using blade

Step 4: Grinding and sifting.

• Product broken into powder
• Uniform particle size ensured

Step 5: Final product.

• Powder collected as dried product

Step 6: Sequence formation.
\[ A \rightarrow C \rightarrow D \rightarrow B \rightarrow E \] Conclusion: Correct answer is A, C, D, B, E.