Boiler Operator Question: Explain and convince me that you can adapt to a wide variety of people, situations and environments? Boiler Operator Interview QuestionAnswer: Swithching from oil to propane. Previous QuestionNext QuestionLoeffler boiler is a water tube boiler using a forced circulation of water. A. True B. FalseIn water tube boilers A. water passes through the tubes which are surrounded by flames and hot gases B. the flames and hot gases pass through the tubes which are surrounded by water C. forced circulation takes place D. none of these