Question: Task 3: Understanding flammable gas detection measurement with hot work 3 (a) Flammable gas concentration measurement, in the vicinity of the hot-work activity, is carried

Task 3: Understanding flammable gas detection

Task 3: Understanding flammable gas detection measurement with hot work 3 (a) Flammable gas concentration measurement, in the vicinity of the hot-work activity, is carried out by the process operator using a portable gas detector. With reference to the diagram below, explain the benefits of using a portable gas detector for the hot work activity. (5) 100% Upper flammable limit (UFL) Air Atmosphere Flammable range Fuel Lower flammable limit (LFL) (a) 0% (b) What possible circumstances could prompt a further flammable gas concentration measurement

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