Question

_________ is used for cooling of products, mechanisms and factory machinery under control temperature.

(a) Chiller

(b) Ice

(c) Alcohol

(d) Ice or alcohol according to the product

I have been asked this question by my college professor while I was bunking the class.

I would like to ask this question from Heat Transfer Applications topic in section Heat Transfer Applications of Food Processing Unit Operations

Answer 1

Right choice is (a) Chiller

Easy explanation: Chillers are used for cooling of products, mechanisms and factory machinery under control temperature. These follow absorption refrigerant cycle or vapor compressionfor cooling a fluid. The basic principle is that heat always flows from hot to cold.