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ACS Core
🔥 Gas (ACS) — ACS Core
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Regulations & Acts
Open
Key legislation, duties, documentation and legal responsibilities.
120 questions
Combustion, Measurement & Testing
Open
Combustion processes, analyser use, safe operation and fault identification.
253 questions
Gas Controls
Open
Valves, regulators, interlocks and appliance safety controls.
86 questions
Chimneys & Flues
Open
Open and room-sealed flues, terminals, testing and safe operation.
185 questions
Ventilation
Open
Room sizing, permanent vents, combustion air and unsafe situations.
115 questions
Gas Pressure & Tightness Testing
Open
Let-by, tightness tests, pressure drops and meter checks.
80 questions
Purging & Re-establishing Supplies
Open
Purging procedures, post-test safety and returning appliances to service.
32 questions
Pipe Sizing & Low Pressure
Open
Pressure drop, equivalent lengths and gas pipework design.
44 questions
Burner Pressure & Gas Rates
Open
Burner pressure tests, gas rating and incorrect-combustion diagnosis.
38 questions
Pipework & Fittings
Open
Jointing, routing, support requirements and unsafe workmanship.
70 questions
Low-pressure Meter Installations
Open
Meter types, bypass arrangements, regulators and installation checks.
70 questions
Unsafe Situations
Open
Statutory requirements and the classification of unsafe situations.
40 questions
Central Heating
Open
System layouts, controls, circulation faults and commissioning.
86 questions
Space Heaters
Open
Open-flued, balanced-flue and flueless heaters and their installation checks.
64 questions
Gas Cookers
Open
Siting, installation, stability, ventilation and testing.
58 questions
Warm-air Heaters
Open
Warm-air systems, circulation issues and safety controls.
56 questions
Water Heaters
Open
Storage and instantaneous water heaters, flueing and safety.
54 questions
Tumble Dryers
Open
Gas tumble-dryer installation, ventilation and combustion safety.
16 questions
Combination-boiler Fault Finding
Open
Fan-flued combination-boiler diagnostics, common faults and safe isolation.
138 questions