Special Boiler License Practice Exam Minnesota latest version questions and accurate answers 2024-2025 How many way can heat be transferred? Three (Conduction -- Convection -- Radiation) How may types of low pressure are there? Three Boiler and boiler fitting used in the state of Minnesota must be constructed to what code? A.S.M.E What controls the starting ans stopping of the burner by sending the temperature of the water in a hot water boiler? Aqua Stat When a hydrostatic test of a boiler exceeds the maximum allowed working pressure each safety valve, if left attached to the boiler, should: Have its valve disc held to its seat employing testing clamp or "gag" Heat can be transferred in three ways and they are: Conduction --Convection - Radiation The first sequence in the series of automatic burner control is: Purging Can a low water low water condition i a hot water heating type boiler?Yes, for numerous reasons Other than a safety relieve valve what other safety device should be installed on a hot water heating boiler? Low water cut off Each boiler in a battery (pipe together sharing the same common header) must have: A main stem stop what removes air from a