Question

Statement 1: Unsteady state heat transfer equation can be used when there is negligible internal resistance.

Statement 2: Unsteady state heat transfer equation can be used for liquid food items which are well stirred, because, temperature gradient within won’t be there.

(a) True, False

(b) True, True

(c) False, False

(d) False, True

I have been asked this question in an interview.

I would like to ask this question from Unit Operations topic in section Heat Transfer by Conduction, Convection and Radiation of Food Engineering

Answer 1

Right choice is (b) True, True

The explanation: Both the statements pertaining to the unsteady state heat transfer equation are true.