Air Conditioning Quiz

what is an absolute filter?

Answer explanation

An absolute filter is a type of filter that allows only specific, defined criteria to pass through, ensuring that all data meets the exact conditions set, without any flexibility or exceptions.

What is a thermostat?

Answer explanation

A thermostat is a device that regulates temperature by controlling heating and cooling systems, ensuring a comfortable environment in homes and buildings.

explain how air may be dehumidified?

Answer explanation

Air can be dehumidified by cooling it, which causes moisture to condense, or by using desiccants that absorb water vapor. Mechanical dehumidifiers also remove moisture by passing air over cold coils.

what is meant by the term ionization with regard to air molecules?

Answer explanation

Ionization of air molecules refers to the process where atoms or molecules gain or lose electrons, resulting in charged particles (ions). This can occur due to high energy sources like radiation or electrical discharges.

name two methods by which bacteria may be removed from an air-conditioned space?

Answer explanation

Bacteria can be removed from an air-conditioned space using HEPA filters, which trap airborne particles, and UV-C light, which kills bacteria and viruses by damaging their DNA.

what is a humidistat?

Answer explanation

A humidistat is a device that measures and controls humidity levels in the air, similar to how a thermostat regulates temperature. It helps maintain optimal humidity for comfort and health.

why must humidity be controlled in the printing industry?

Answer explanation

Humidity must be controlled in the printing industry to prevent paper from warping and ink from drying improperly, ensuring consistent print quality and preventing equipment malfunctions.

what is meant by cooling load as applied to air-conditioning systems?

Answer explanation

Cooling load refers to the amount of heat energy that must be removed from a space to maintain a desired temperature. It accounts for factors like heat gain from sunlight, appliances, and occupants, crucial for sizing air-conditioning systems.

explain the function of the air-conditioning filter?

Answer explanation

The air-conditioning filter removes dust, allergens, and pollutants from the air, ensuring cleaner air circulation and improving system efficiency. It helps maintain indoor air quality and protects the AC unit from damage.

distinguish between comfort and process air conditioning?

Answer explanation

Comfort air conditioning focuses on maintaining a pleasant indoor environment for occupants, while process air conditioning is designed to control temperature and humidity for specific industrial processes. Both serve different purposes.