BOILER OPERATION PRINCIPLES

1.Steam is formed when water is heated to its boiling point. - Answer- True 2.A boiler is an open metal container in which water is heated to produce steam or heated water. - Answer- False 3.Water begins to boil at 212°F at atmospheric pressure. - Answer- True 4.In a Scotch marine boiler, the gases of combustion pass through tubes that are surrounded by water. - Answer- True 5.Oxygen is needed to burn fuel. - Answer- True 6.Condensate is typically returned to the boiler for reuse. - Answer- True 7.The steam system supplies water to the boiler. - Answer- False 8.Steam leaves the boiler through the main steam line. - Answer- True 9.Steam that has given up its heat and turned back to water is boiler water. - Answer- False 10.Heat is generated in a boiler by the combustion of a fuel such as gas, fuel oil, or coal. - Answer- True 11.An internal furnace is a furnace in a boiler that is surrounded by heating surface. - Answer- True 12.Feedwater is water that is treated for use in a boiler. - Answer- True 13.Heat always flows from a material having a lower temperature to a material having a higher temperature - Answer- False