Author: Anonymous

The ___ are environmental standards for ambient pollutant emissions from new sources of emissions.

The boiler should be blown down when it is ___.

Electric boilers are classified by water volume and wattage.

The ___ are environmental standards for ambient pollutant emissions from new sources of emissions.

A ___ check valve is a check valve that prevents backflow through the use of a conical or cylindrical brass disc held in place by a spring.

Natural draft produces greater amounts of draft in the winter than in the summer.

A power burner is a burner ___.

A power burner is a burner ___.

Scale formation can result in an increase in fuel required to generate steam.

Blowback is the ___ in a boiler that occurs after the safety valve has opened.