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When you get your oil changed (assume "light oil"), the mechanic adds your dirty and hot 6 quarts of oil to the recycling drum. If your oil is 200 ∘F, and the drum already contains 9 gallons of oil at room temperature (65 ∘F), then: (a) What is the final temperature in the recycling drum? ∘F (b) What is the total change in entropy? BtuR

When you get your oil changed (assume light oil), the mechanic adds your dirty and hot 6 quarts of oil to the recycling dru

engineering   Mechanical-Engineering   
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I quart = 0.25 gallon Te = 65°F 6 quart = 6x0.25 = 1.5 0:25 3 1.5 gal gal I Th=200°F n from energy conservation principle, heAS - @s)+ Cos) ose me dan In het maan den I (mapu) TA = 85.066 F = 5u4.736 R Te = 65°F = 524.67 R. In = 200 °F = 659.67 R » a

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