Question

The oven drying methodology consists of heating by ________

(a) conduction

(b) convection

(c) radiation

(d) both radiation and convection

I have been asked this question in an international level competition.

This interesting question is from Drying in section Drying of Food Processing Unit Operations

Answer 1

Right choice is (b) convection

Explanation: The most commonly used method for commercial purposes is oven drying methods for commercial purposes. The oven drying methodology consists of heating by convection. The demerits of this process are time and non-portability.