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ACS CCN1 Gas Safety VIP Practice Exam
CCN1 — The ACS CCN1 (Core Domestic Natural Gas) is a mandatory UK Gas Industry competency assessment administered through approved ACS assessment centres (BPEC, Capita, etc.) and required by Gas Safe Register for all engineers working on domestic natural gas installations; the written component contains approximately 30–40 multiple-choice questions with a 70% pass mark.
53
Questions
90m
Time Limit
70.00%
To Pass
Question 1 of 53👑 VIP
A gas engineer arrives at a property where the occupant reports smelling gas strongly in the kitchen. The engineer suspects an internal gas escape. In what order should the following immediate actions be taken? 1. Ventilate the premises by opening doors and windows 2. Warn the occupant not to operate any electrical switches 3. Locate and turn off the emergency control valve (ECV) 4. Call the National Gas Emergency Service if the leak cannot be controlled
Questions 2–53 and full explanations are VIP-exclusive.