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When a new system has been assembled, the first thing to do is? Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be repaired when the leak rate exceeds _________ of the charge per year? 15% R-410A...
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EPA•EPA
EPA Risk Assessor Exam Latest Solutions
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EPA•EPA
This file contains ALL of the study questions used in the EPA 608 exam. Tests are usually made up of 25 random questions from each of the following 4 question pools. Total combined questions: 367 These questions and answers were extracted from QwikProducts (Mainstream Engineering) EPA 608 Certification software. === EPA Section 608 Study Questions Pool Section: CORE Questions 1-160 1. Refrigeration technicians who violate the Clean Air Act can: A) lose their EPA certification. B) be fin...
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EPA•EPA