HVAC should provide which of the following A HVAC should be

HVAC should provide which of the following?

A. HVAC should be a closed-loop system with negative pressurization.

B. HVAC should be an open-loop system with positive pressurization.

C. HVAC should be an open-loop system with negative pressurization.

D. HVAC should be a closed-loop system with positive pressurization.

Solution

Answer: A. HVAC should be a closed-loop system with negative pressurization.

HVAC will provide negative pressurization with in closed loop systems.