Coolant (water) flow through an automobile engine has a flow rate of 20 gallons per minute and removes 1000 BTUs per minute from the engine. The water enters the engine at a temperature of 200°F.The...

Coolant (water) flow through an automobile engine has a flow rate of 20 gallons per minute and removes 1000 BTUs per minute from the engine. The water enters the engine at a temperature of 200°F.The radiator on the automobile has a frontal area of and an air flow velocity of 50 ft/sec through it. (For water)

Calculate:

(a) Temperature of water as it exits engine. [°F]

(b) Change of air temperature as it passes through radiator. [°F]