Compare Thermal Insulation under a Fixed Test - Practice 2

Insulation reduces the rate of heat transfer; it does not create warmth.

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Insulation reduces the rate of heat transfer; it does not create warmth. Compare equal starting temperatures, equal durations and otherwise matched conditions. These invented cooling records describe only the stated test.

Worked example

Two cups start at 40 C. After equal times, A is 35 C and B is 30 C. A lost fewer degrees in this test.

Would you believe it?

A rock can be weathered while staying in the same place. Transporting its loosened pieces is a separate process called erosion.

Question 1 Fictional matched cups start at 50 C. After equal times A is 35 C and B is 29 C. Which cup had the smaller temperature drop? Both drops were zero. A B

Question 2 Fictional matched cups start at 51 C. After equal times A is 36 C and B is 30 C. Which cup had the smaller temperature drop? A B Both drops were zero.

Question 3 Fictional matched cups start at 52 C. After equal times A is 37 C and B is 31 C. Which cup had the smaller temperature drop? B Both drops were zero. A

Question 4 Fictional matched cups start at 53 C. After equal times A is 38 C and B is 32 C. Which cup had the smaller temperature drop? Both drops were zero. A B

Question 5 Fictional matched cups start at 54 C. After equal times A is 39 C and B is 33 C. Which cup had the smaller temperature drop? A B Both drops were zero.

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