Question: Q2 (30 points) a. What is the main driving force of heat transfer? (10 points) b. Which device is used when cooling a fluid at

Q2 (30 points) a. What is the main driving force of

Q2 (30 points) a. What is the main driving force of heat transfer? (10 points) b. Which device is used when cooling a fluid at very low temperature? (10 points) C. Describe briefly what happens if object A at 75C comes to contact with object Bat 15C? (10 points)

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