EPA 608 Type I · Refrigeration Fundamentals · Easy
What metering device do most household refrigerators use?
Answer: B. A capillary tube.
- AA thermostatic expansion valve.
- BA capillary tube.✓ Correct
- CAn automatic expansion valve.
- DA float valve.
Why B is right
Most household refrigerators and room air conditioners meter refrigerant with a capillary tube: a fixed, narrow tube with no moving parts. Because it can't adjust, these systems need an exact charge.
More Type I questions
- What specifically defines a 'small appliance' under EPA Section 608?
- What is the maximum refrigerant charge allowed for a Type I small appliance?
- When using a self-contained recovery device on a CFC, HCFC, or HFC small appliance with an operating compressor, what percentage of the refrigerant must be recovered?
- What is the recovery requirement for a Type I appliance with a non-operating compressor?
- Recovery equipment built before November 15, 1993 is used on a small appliance. How much refrigerant must it recover?
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.