Question

What is called for the useless heat from hot water recycled by industries?

(a) Cooling towers

(b) Recycling

(c) Heat pump

(d) Co-generation

This question was addressed to me in final exam.

This intriguing question originated from Thermal Pollution topic in section Environmental Pollution of Energy Management

Answer 1

Correct option is (d) Co-generation

To explain I would say: Co-generation can be helpful to combat thermal pollution. In the process of co-generation, the useless heat from hot water can be recycled and used smartly in many tasks by industries. Thus this process prevents thermal pollution.