OPBHS Nov 2018 Exam 4: Air Conditioning Systems and Reverse Osmosis Principles

Humidity is increased by adding moisture to the air through a humidifier.

Humidity is reduced by dehumidifying the air using a dehumidifier.

Fire dampers are used to prevent the spread of fire through the air ducts.

<p>The supply of air is regulated by dampers and vents that can be adjusted to control airflow.</p> Signup and view all the answers

<p>Overpressure is prevented by using relief valves or pressure regulators to maintain the desired pressure level.</p> Signup and view all the answers

<p>Reverse osmosis involves using pressure to push water through a semipermeable membrane, leaving impurities behind.</p> Signup and view all the answers