Question

Which of the following types of filters used in the air conditioning system is made of cloth that is discarded on getting dirty?

(a) Viscous type filters

(b) Dry filter

(c) Spray washers

(d) Electric precipitators

The question was posed to me in an interview for job.

I'd like to ask this question from Systems and Essentials of Air Conditioning System in portion Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

Answer 1

The correct choice is (b) Dry filter

The explanation is: Filters used in air conditioning system are of various types. There are viscous type filters, dry filters, spray washers and electric precipitators. A dry filter is made of cloth such as flannel, that is discarded on getting dirty.