In a zeotropic blend, all refrigerants have the same boiling point.

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Prepare for the SkillCat EPA Type 2 Test with interactive flashcards and multiple-choice questions. Each question is accompanied by hints and explanations. Get ready to pass your exam!

Multiple Choice

In a zeotropic blend, all refrigerants have the same boiling point.

Explanation:
Zeotropic blends have components with different boiling points, so as heat is added, each component vaporizes at its own temperature. This creates a boiling-point glide, meaning the mixture boils over a range of temperatures rather than at one fixed point. Because of that variation in boiling behavior, a zeotropic blend does not have a single boiling point. (For contrast, azeotropic blends boil at essentially a constant temperature with the vapor having the same composition as the liquid.)

Zeotropic blends have components with different boiling points, so as heat is added, each component vaporizes at its own temperature. This creates a boiling-point glide, meaning the mixture boils over a range of temperatures rather than at one fixed point. Because of that variation in boiling behavior, a zeotropic blend does not have a single boiling point. (For contrast, azeotropic blends boil at essentially a constant temperature with the vapor having the same composition as the liquid.)

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