[OKLAHOMA (OK) Limited Residential Mechanical Journeyman Exam Success Course] The Limited Residential Mechanical Journeyman Practice Course is tailored for professionals seeking certification in limited residential mechanical systems. This course provides a detailed review of residential heating, ventilation, air conditioning, and refrigeration systems. Key topics include system installation, maintenance, and repair practices specific to residential settings. Participants will learn about relevant codes, safety standards, and troubleshooting techniques. The course features practice questions and real-world scenarios to help candidates prepare thoroughly for the certification exam. By completing this course, professionals will be equipped to handle limited residential mechanical projects efficiently and ensure compliance with industry standards.