1st Class Stationary Engineers Examination #2 (False questions omitted)Correct 100%

All Boilers should be viewed as - ANSWER Dangerous regardless of size and pressure One cubic inch of hot water under pressure expands to - ANSWER almost one cubic foot of steam at atmospheric pressure Primary air is usually... - ANSWER Blown into the combustion chamber, along with the fuel on a gas or oil burner. Heat always flows from ____ to ____ - ANSWER hot to cold An accumulation test is used to determine - ANSWER the relieving capacity of a safety valve Staging is a method used to - ANSWER increase the pressure of a gas or liquid in step rather than all at once. All vacuum return heating systems require - ANSWER traps Boiler water can be conditioned by - ANSWER heating addition of chemicals and by blow down Water which contains scale-forming impurities is termed - ANSWER hard water 33,478 BTUs equal - ANSWER One boiler horsepower One purpose of automatic control is to insure - ANSWER the safe operation of a system Is it possible to find all three types of heat transfer working at the same time? - ANSWER Yes A vapor can best be defined as a - ANSWER physical state between a liquid and a gas a firetube contains - ANSWER the products of combustion a pigtail is used on a steam gauge connection to