Question

How many fundamental approaches are there to control air pollution?

(a) One

(b) Two

(c) Three

(d) Four

This question was posed to me during an interview for a job.

My doubt stems from Effects and Control Measures of Air Pollution in chapter Environmental Pollution of Energy Management

Answer 1

Correct option is (b) Two

To elaborate: Air pollution can be controlled by two fundamental approaches. Those approaches can control air pollution if it applies in effective way. The two fundamental approaches to control air pollution are preventive techniques and effluent control.