Question: The ducts of an air heating system pass through an unheated area. As a result of heat losses, the temperature of the air in the

The ducts of an air heating system pass through an unheated area. As a result of heat losses, the temperature of the air in the duct drops by 4°C. If the mass flow rate of air is 120 kg/min, determine the rate of heat loss from the air to the cold environment.

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