Safety valves on steam boilers are designed to open slowly.

Water hardness is commonly checked with an electronic hardness tester.

Common cooling system applications include air conditioning of building spaces and refrigeration in food processing, such as in a pasteurization process.

In general, steam boilers should be blown down every 24 hours.

In general, steam boilers should be blown down every 24 hours.

A(n) ___ test is used to check for leaks in a boiler.

When continuous blowdown is used, bottom blowdown primarily removes suspended solids or sludge.

A ___ consists of two independent spring-loaded check valves, test cocks, and isolation valves.

A boiler should be dumped when hot to allow the heat to be recovered.

Boilers used in industry are designed to ___.