How many supply-air diffusers will be installed in the dining room of Wendy's restaurant?

The choice indicating 11 supply-air diffusers for the dining room of Wendy's restaurant is the right answer likely based on specific design requirements for the space. In restaurants, it is crucial to maintain a comfortable environment, as this directly impacts customer experience. The number of diffusers is determined based on calculations of air distribution, room dimensions, occupancy, and heating and cooling loads to ensure proper ventilation and temperature control.

In this scenario, a total of 11 diffusers would adequately meet the airflow requirements necessary to ensure that the dining area maintains the desired comfort levels during operation. This number likely reflects industry standards or calculations performed during the design phase that account for the volume of the dining area and the anticipated number of patrons. Properly planned air distribution allows for efficient heating or cooling while minimizing drafts and ensuring even temperature throughout the space.