Refrigeration Licensing Exam 2025/2026 | 150+ Solved Questions on Compressors, Condensers, HVAC Safety, Electrical Systems & FDNY Compliance

This complete Refrigeration Licensing Exam guide for the 2025/2026 cycle contains over 150 fully solved questions, specifically tailored for refrigeration engineers and HVAC technicians seeking certification in New York City. Aligned with FDNY, EPA, and ASHRAE standards, this resource offers deep coverage of technical operations, safety regulations, and real-world system troubleshooting. Covered topics include: Compressor Systems: Positive and non-positive displacement, reciprocating and centrifugal types, oil charging, suction/discharge mechanics, and valve configurations Condensers & Evaporators: Shell-and-tube, shell-and-coil differences, overcharge symptoms, temperature differentials, and high-pressure scenarios Electrical & Mechanical Knowledge: Three-phase power, Ohm’s law applications, voltage drop, amperage readings, safety relays, and emergency power protocols HVAC Safety & Code Compliance: FDNY permits, fire suppression, manifold hose safety, monthly emergency generator tests, alarm system maintenance, and logbook requirements Refrigerants & Environmental Regulations: Refrigerant classifications (A1, B1, etc.), leak detection, storage limits, oxygen-deficient environment risks, and EPA restrictions Operational Procedures: Chiller startup and shutdown, condenser water flow, cooling tower usage, pump cavitation, and pressure relief devices Inspection & Maintenance: Annual inspections, X-ray and hydrostatic testing, cylinder labeling, ASME code compliance, and pipe insulation protocols This guide is ideal for: NYC refrigeration engineers preparing for licensing exams HVAC technicians advancing to high-pressure system responsibilities Facility maintenance personnel in commercial/industrial buildings Apprentices and trade school graduates needing exam-style review content Each question includes a clearly marked answer and is designed for fast review under test-like conditions. Keywords: refrigeration exam, FDNY license, HVAC safety, compressors, centrifugal pump, shell and tube condenser, Ohm’s law, refrigerant storage, EPA compliance, high-pressure chiller, manifold hoses, emergency generator test, three-phase motor, NYC engineer license, condenser water flow, overcharge refrigerant, fire safety log, ASME vessel, pipe insulation, pressure relief valve