Question

The deposition of any undesired material on heat transfer surfaces is called _____________

(a) fouling

(b) debris

(c) scaling

(d) rubble

This question was posed to me by my school teacher while I was bunking the class.

This interesting question is from Heat Transfer Applications topic in chapter Heat Transfer Applications of Food Processing Unit Operations

Answer 1

Right answer is (a) fouling

The explanation: The deposition of any undesired material on heat transfer surfaces is called fouling. It refers to the deposit collected on the surfaces of the heat exchanger. It contains organic particles, inorganic particles, microorganisms. This increases the risk of corrosion.