Choose all options that apply. What sorts of commercial applications might require the installation of a high-efficiency particulate air (HEPA) filter? Question 1 options: a) A domestic residence b) A hardware store c) An operating theater d) A factory cleanroom Question 2 (5 points) Choose all options that apply. Why do you need to know the weight of a unit you're installing on a roof? Question 2 options: a) Because large units cause strain on truck axles b) Because large units tend to be more efficient and powerful c) Because it's difficult to carry a heavier unit up a ladder d) Because the roof needs to be able to support the unit e) To find the right size of crane to transport the unit to the roof Question 3 (5 points) Choose all options that apply. Which of the following have requirements that include high rates of ventilation to exhaust odors and fumes? Question 3 options: a) Casinos b) Restaurants c) Universities d) Nightclubs e) Residences Question 4 (5 points) Match each condition to the appropriate description of how a two-compressor system can be staged together. Question 4 options: Maximum demand Dropping demand Low demand Least demand 1. Both compressors