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The main uptake air duct of a forced air gas heater is
Chapter 12, Problem 12(choose chapter or problem)
Problem 12PE
The main uptake air duct of a forced air gas heater is 0.300 m in diameter. What is the average speed of air in the duct if it carries a volume equal to that of the house’s interior every 15 min? The inside volume of the house is equivalent to a rectangular solid 13.0 m wide by 20.0 m long by 2.75 m high.
Questions & Answers
QUESTION:
Problem 12PE
The main uptake air duct of a forced air gas heater is 0.300 m in diameter. What is the average speed of air in the duct if it carries a volume equal to that of the house’s interior every 15 min? The inside volume of the house is equivalent to a rectangular solid 13.0 m wide by 20.0 m long by 2.75 m high.
ANSWER:
Step 1 of 4
This question is based on the concept of volume flow rate equation , where volume flow rate, area of cross-section and velocity of the fluid at that cross-section. We are first required to calculate the volume flow rate of air and then using , we can calculate the velocity.