Question:
The process which involves both heat and mass transfer operations simultaneously is
The process which involves both heat and mass transfer operations simultaneously is
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Drying is a simultaneous heat and mass transfer process because heat is supplied and moisture is removed.
Updated On: May 4, 2026
- Milling
- Drying
- Size reduction
- Decortication
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The Correct Option is B
Solution and Explanation
Concept:
Drying is an important unit operation used to remove moisture from agricultural products.
Step 1: During drying, heat is supplied to the wet material.
Step 2: This heat helps evaporate moisture present inside or on the surface of the material.
Step 3: At the same time, moisture moves from inside the material to the surface and then into the surrounding air.
Step 4: Therefore, drying involves: \[ \text{Heat transfer}+\text{Mass transfer} \]
Step 5: Milling and size reduction mainly involve mechanical breaking, while decortication involves removal of outer covering. \[ \boxed{\text{Drying}} \]
Drying is an important unit operation used to remove moisture from agricultural products.
Step 1: During drying, heat is supplied to the wet material.
Step 2: This heat helps evaporate moisture present inside or on the surface of the material.
Step 3: At the same time, moisture moves from inside the material to the surface and then into the surrounding air.
Step 4: Therefore, drying involves: \[ \text{Heat transfer}+\text{Mass transfer} \]
Step 5: Milling and size reduction mainly involve mechanical breaking, while decortication involves removal of outer covering. \[ \boxed{\text{Drying}} \]
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