Practice Tests
Test your knowledge with 120 free F-Gas exam questions. Choose a topic below to start practising with instant feedback and detailed explanations.
Skill Group 1
Basic Thermodynamics
Fundamental physics of refrigeration including SI units, pressure, temperature, heat transfer, and energy concepts essential for understanding HVAC systems.
Skill Group 2
Environmental Impact & Regulations
EU F-Gas Regulation 517/2014, ozone depletion, global warming potential, phase-down schedules, and environmental compliance requirements.
Skill Group 3
Pre-Operation & Maintenance Checks
System checks before commissioning, routine maintenance procedures, pressure testing, and evacuation of refrigeration and air conditioning systems.
Skill Group 4
Leakage Checks & Detection
Methods of leak detection, mandatory checking frequencies, record keeping requirements, and threshold values under the F-Gas regulation.
Skill Group 5
Refrigerant Handling & Recovery
Proper procedures for recovering, recycling, and reclaiming refrigerants, including equipment requirements and regulatory obligations.
Skill Group 6
Compressors
Types of compressors used in refrigeration systems, their operating principles, common faults, and diagnostic techniques.
Skill Group 7
Condensers
Condenser types, heat rejection principles, maintenance requirements, and troubleshooting techniques for condensing units.
Skill Group 8
Evaporators
Evaporator types, heat absorption principles, defrosting methods, and performance issues in refrigeration and air conditioning.
Skill Group 9
Expansion Valves & Components
Thermostatic expansion valves, electronic expansion valves, capillary tubes, and other metering devices used to control refrigerant flow.
Skill Group 10
Pipework & Brazing
Copper pipework installation, brazing techniques with nitrogen purge, pipe sizing, insulation, and connection types for refrigeration systems.
Skill Group 11
Alternative Technologies
Natural refrigerants, low-GWP alternatives, heat pump technology, and emerging systems that reduce environmental impact.
Cross-cutting
Health & Safety
Safe handling of refrigerants, personal protective equipment, ventilation requirements, first aid procedures, and cylinder safety.
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