A(n) ___ is a boiler condition that occurs when the flame in… A(n) ___ is a boiler condition that occurs when the flame in a boiler furnace has been unintentionally lost. Read Details
Heat always flows from a material having a lower temperature… Heat always flows from a material having a lower temperature to a material having a higher temperature. Read Details
Condensate may be directed to a condensate return tank or wa… Condensate may be directed to a condensate return tank or wasted to prevent boiler water contamination. Read Details
Steam from a boiler is directed by the main steam line throu… Steam from a boiler is directed by the main steam line through the main steam stop valve and enters the steam header. Read Details
Air pollution regulations are enacted at the federal level a… Air pollution regulations are enacted at the federal level and/or at the state and local level. Read Details
The three classifications of refrigerants most technicians w… The three classifications of refrigerants most technicians work with today are chlorofluorocarbons (CFCs), hydrochloroflurorocarbons (HCFCs), and hydrofluorocarbons (HFCs). Read Details
The closed end of a Bourdon tube is attached to the steam si… The closed end of a Bourdon tube is attached to the steam side of a boiler. Read Details
High surface tension is a boiler water condition in which th… High surface tension is a boiler water condition in which the surface of the water is strengthened by a layer of impurities. Read Details
A ___ test is a water treatment test using a reagent to dete… A ___ test is a water treatment test using a reagent to determine the concentration of a specific dissolved substance. Read Details
In a high pressure gas system, the plant pressure ___ valve… In a high pressure gas system, the plant pressure ___ valve reduces gas pressure to line pressure used in the system. Read Details