Compressor Types Questions with correct Solutions

Compressor Types Questions with correct Solutions What are the 5 types of compressors? Screw, centrifugal, reciprocating, scroll, and rotary. When is a screw compressor used? On a large chilled water and refrigeration system, available in 20 tons and up, uses a pair of special helical rotors (screw) What are 3 types of screw compressors? Hermetic, semi- hermetic, and open. when is a centrifugal compressor used? In large commercial refrigeration system, designed for high speeds, vapor moved rapidly in a circular path using centrifugal force. What is refrigerant migration? The movement of liquid refrigerant to the compressor crankcase. What compressor uses a piston type compressor? Reciprocating compressor What is the dome on a reciprocating compressor filled with? Low temperature refrigerant When a piston on a reciprocating compressor is up, what's in between the piston and the valve space? Dead space, wich affects the efficiency of the system