Steam is produced as water is heated at its boiling point (212°F at atmospheric pressure).

A(n) ___ is a heat exchanger used to absorb heat from an area to be cooled and transfer the heat into refrigerant.

Safety valves on steam boilers are designed to open slowly.

Water hardness is commonly checked with an electronic hardness tester.

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.