What do you call the air that is returning to the conditioned space from the air conditioning system?

What do you call the air that combines new air from outside with  air that was sucked from the conditioned space, which is now coming back to the conditioned space?

What do you call pure air that is coming from outside into the air conditioning system?

What type of air conditioner would most likely be used in older domestic areas for comfort cooling?

What type of air conditioner would most likely be used in a large restaurant or factory area?

What type of air conditioner would most likely be used in newer residential building, where it provides both heating and cooling?

True or false? The human body can lose heat through radiation?

True or false? There are four means through which the human body can lose heat.

True or false? An evaporative cooler is also called a swampy.

True or false? An evaporative cooler is usually used in more humid climates.

The human body loses heat in four ways. But how does it lose the most heat? In which order, from most effective to least effective, does the human body lose heat most efficiently/effectively?

Which of the following is NOT one of the factors that affect human comfort?