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2.2.4 Quiz: Transfer of Thermal Energy
Question 5 of 10

Some thermal containers have layers of materials to keep drinks cold for as long as possible. Which design would help keep ice frozen for the longest period?

A. Inner core of glass, air gap, outer layer of glass
B. Inner core of glass, no air gap, outer layer of plastic
C. Inner core of steel, air gap, outer layer of glass
D. Inner core of steel, no air gap, outer layer of steel



Answer :

GinnyAnswer

Final answer:

Insulation is the key factor in preventing hot beverages from cooling too quickly.


Explanation:

The most important feature to keep a hot beverage from cooling too quickly is quality insulation, such as the material used in the insulating cup. Insulation helps to reduce heat transfer, keeping the beverage hot for a longer period. A metal lining and a lid are important as well, but quality insulation plays a primary role in maintaining the beverage's temperature.


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