EPA 608 Type III · Leak Detection · Hard
How do you find a leak in the water tubes of a low-pressure chiller?
Answer: D. Perform a hydrostatic tube test.
- AUse an electronic leak detector.
- BApply soap bubbles to the water inlet.
- CInject UV dye into the condenser water.
- DPerform a hydrostatic tube test.✓ Correct
Why D is right
A hydrostatic tube test is the industry standard for finding leaks inside the heat exchanger tubes.
More Type III questions
- What is the maximum safe test pressure for a low-pressure centrifugal chiller?
- What is the recommended method to leak-test a low-pressure chiller without exceeding rupture disc limits?
- What indicates a tube leak in a low-pressure centrifugal chiller?
- Why must evaporator and condenser water pumps run when recovering refrigerant from a low-pressure chiller?
- What is the most efficient way to begin recovering refrigerant from a low-pressure chiller?
Go deeper with the study guide AIM Act 2026: The HFC Leak Repair Rules for HVAC Techs, 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.