The parameter being monitored and controlled is the controlled variable. The dry-bulb temperature of the air leaving the cooling coil is the controllable variable in this particular instance. The sensor assesses the state of the controlled variable and provides the controller with an input signal.
<h3>What is a HVAC ?</h3>
The employment of various technologies for heating, ventilation, and air conditioning is done to regulate the temperature, humidity, and cleanliness of the air in a closed environment. Its objective is to provide adequate indoor air quality and thermal comfort.
- To cool or heat a building, the main unit of a ducted system forces air via a network of air ducts. On the other hand, ductless systems don't have air ducts and employ different techniques to spread cleaned air across a room.
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Answer:
3.
Explanation:
Co-authoring in PowerPoint is sharing a presentation and allowing your colleagues to work on it at the same time. This option of co-authoring is available when you share or save your file on OneDrive or SharePoint.
The perk of co-authoring a presentation is that PowerPoint keeps a record of all edits under the name of the author. This keeps the conflicts away.
Therefore, the correct answer is option 3.
Just in case one database gets hacked or crashes they have another to run on
