Journeyman A/C and Refrigeration

University Of Columbia

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District of Columbia Journeyman A/C and Refrigeration (312) Exam Prep 200-Question Practice Exam with Answers & Explanations (2026 Edition) PDF

Examen

District of Columbia Journeyman A/C and Refrigeration (312) Exam Prep 200-Question Practice Exam with Answers & Explanations (2026 Edition) PDF
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52

marzo 2026

2025/2026

A+
Theory, Systems Types, Terminology & General Requirements (32%) • Fundamental principles of heating, ventilation, and air conditioning (HVAC) systems • Types of HVAC systems and their applications • Industry terminology and definitions • General requirements for HVAC installations 2. Refrigerant & Condensate Piping (12%) • Design and installation of refrigerant piping systems • Sizing and selection of refrigerant lines • Condensate drainage systems and their components • Maintena...
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Journeyman A/C and Refrigeration

University Of Columbia

District of Columbia Journeyman A/C and Refrigeration (312) Exam Prep 200-Question Practice Exam with Answers & Explanations (2026 Edition) PDF