Author: Anonymous

A(n) ___ is matter that contaminates air, water, or soil.

In an air atomizing burner, steam and fuel are discharged to the burner for combustion after the flames reach the end of the combustion chamber.

A hot water heating system operates at ___.

Most noncondensing boilers could be forced to condense by changing the set points of the controls.

Some compression tanks are equipped with a ___ for determining the compression tank water level.

The ___ promotes a whole-building approach to sustainability by recognizing performance in five key areas of human and environmental health.

Steady-state efficiency is a measure of how efficiently a boiler’s burner burns fuel without considering any losses.

In addition to safety valves, four other types of valves are sometimes used on boilers to prevent overpressure.

During bottom blowdown, the boiler operator should hold the valve handle until the valve closes.

Heating units are designed to minimize heat loss from a building space.