AG Mechanics CDE Practice Exam 2026 – The Comprehensive All-in-One Guide for Success

Gas leaks on the oxyacetylene rig are typically checked with soapy water because when soapy water is applied to a connection or a joint, it creates bubbles if there is a gas leak present. This is a simple and effective method to visually identify the location of a leak. Using a gas detector or a flame to check for gas leaks can be dangerous and not as precise as using soapy water. Additionally, an alcohol solution is not commonly used for checking gas leaks in an oxyacetylene rig.