Strainers are installed in boiler fuel oil service lines to __________.
β’ Purpose of a strainer in a fuel oil system β’ Difference between solid particles, water, and dissolved contaminants in fuel β’ How fuel is prepared before it reaches the burner or atomizer
β’ Think about what a wire mesh or perforated basket-type device physically stops from passing through it. β’ Which of these options describes something that can be caught on or retained by a screen, rather than needing chemical absorption or heating? β’ In a boiler fuel system, what type of impurity would most directly damage or clog burners and small passages?
β’ Identify which choice refers specifically to particles that can be trapped on a screen. β’ Eliminate any option that would require chemical action or temperature change, not just a physical barrier. β’ Ask yourself: which function is most commonly associated with the word strainer in piping systems?
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