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Hot Gas Path Inspection [HGPI] is well known in Power Plants based on Gas Turbine [GT]. Normally, HGPI executed each 24000 Running hour; provided that the GT is operated in ideal condition [natural gas as fuel, base load operation etc].

In HGPI, the total path of hot gas [hot gas produced in combustion chamber] is inspected. That is

Fuel Nozzle -> Combustion Liners -> Transition Piece -> Turbine Blades

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