EPA 608 Core · Refrigeration Fundamentals · Hard
What is 'temperature glide' in a zeotropic blend?
Answer: C. The gap between bubble and dew point at one pressure.
- AThe drop in temperature across the metering device.
- BThe superheat added to the vapor in the evaporator.
- CThe gap between bubble and dew point at one pressure.✓ Correct
- DThe difference in ambient and system temperatures.
Why C is right
Glide is the range of temperatures the blend passes through while changing state at a constant pressure.
More Core questions
- What causes fractionation in a zeotropic blend?
- What characterizes an azeotropic refrigerant blend (500-series)?
- Which of the following is a natural refrigerant?
- How is subcooling measured?
- What does superheat measure?
Go deeper with the study guide EPA 608 Core Exam: Study Guide for 2026, try the free 10-question test or browse all EPA 608 practice questions.
A practice question written for study, checked against 40 CFR Part 82, Subpart F. It is not an official EPA exam question, and this site is not affiliated with the U.S. EPA.