Water added to a boiler to replace water lost due to leaks or lost condensate is known as ___ water.

A ___ is a pipe fitting with removable plugs that allows for cleaning and inspection of piping.

Area source boilers emit only small amounts of pollutants, primarily because most burn natural gas.

Water that contains large quantities of dissolved minerals is called ___.

A hydrostatic test is a steam test used to check for boiler leaks.

Area source boilers emit only small amounts of pollutants, primarily because most burn natural gas.

The safety valve on a low pressure boiler is designed to open when pressure in the boiler exceeds the ___.

A hydrostatic test is a steam test used to check for boiler leaks.

A(n) ___ is a person who locks out or tags out machines or equipment in order to perform servicing or maintenance on that machine or equipment.

Fuel oil can be classified as distillate fuel oil or heavy fuel oil.