Calculations of supply air duct leakage loss include:
a. 20% leakage loss when the supply air duct is outside the conditioned space
b. Losses from bare supply air ducts within the conditioned space
c. 10% leakage loss when the supply air duct is outside the conditioned space
d. 5% leakage loss when the supply air duct is outside the conditioned space
e. 10% leakage loss when some of the supply air duct is outside the conditioned space and some inside
Answer: C