___ weakens the metal and shortens the life of a boiler.
Blog
A safety valve prevents backflow to a fuel tank from a fuel…
A safety valve prevents backflow to a fuel tank from a fuel oil system.
A therm is the quantity of gas required to produce 100,000 B…
A therm is the quantity of gas required to produce 100,000 Btu.
Procedures commonly performed and logged during a shift incl…
Procedures commonly performed and logged during a shift include water column and gauge glass blowdown, bottom blowdown, low water fuel cutoff testing, and flame scanner testing.
Before dumping a boiler, the boiler heating surface should b…
Before dumping a boiler, the boiler heating surface should be ___.
A tagout prevents the startup of equipment and serves as a w…
A tagout prevents the startup of equipment and serves as a warning to operating and service personnel.
A boiler should be blown down when it is on a heavy load.
A boiler should be blown down when it is on a heavy load.
The most common type of dynamic pump is a ___ pump.
The most common type of dynamic pump is a ___ pump.
Fuel oil is a liquid fossil fuel that consists primarily of…
Fuel oil is a liquid fossil fuel that consists primarily of carbon, hydrogen, and moisture.
A pressure-reducing valve is a hot water boiler accessory th…
A pressure-reducing valve is a hot water boiler accessory that reduces incoming makeup water pressure to the system operating pressure.