Objectives

• After studying this unit, you should be able to
• explain the function of the compressor in a refrigeration system.
• discuss compression ratio.
• describe four different methods of compression.
• state specific conditions under which a compressor is expected to operate.
• explain the difference between a hermetic compressor and a semihermetic compressor.
• describe the various working parts of reciprocating and rotary compressors.

Next: Advance to the Learning Center Dashboard and complete the lessons.