1. Which design method should be used to size ducts downstream of terminal boxes, toilet exhaust ducts, and other low-pressure systems?
A. equal friction method
B. static friction method
C. static regain method
2. For duct sizing, the static regain method should be avoided for:
A. positive-pressure duct systems
B. negative-pressure systems
C. low-pressure duct systems
3. Which of the following statements is MOST accurate regarding the Task of sequencing heating and cooling?
A. Central fan systems should not use cool outdoor air in sequence between heating and cooling.
B. Heating and cooling should be supplied simultaneously for humidity control.
C. Zoning and system selection should eliminate, or at least minimize, simultaneous heating and cooling.
