Question

Which of the following qualities is not possessed by the filters in the air conditioning system?

(a) They should be capable of removing dust particles from the incoming air

(b) They should afford easy cleaning

(c) They should offer low frictional resistance to the airflow

(d) They should offer high frictional resistance to the airflow

The question was asked by my college director while I was bunking the class.

The doubt is from Systems and Essentials of Air Conditioning System in division Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

Answer 1

The correct option is (d) They should offer high frictional resistance to the airflow

Explanation: The filters in the air conditioning system should be capable of removing dust particles from the incoming air. They should afford easy cleaning and should offer low frictional resistance to the airflow.