Hvac compressor flashcards Questions and Answers

Hvac compressor flashcards Questions and Answers The low side of the refrigerated system includes Evaporator suction line and suction input of compressor Head pressure refers to the High side of the system A compressor with a piston that travels back and forth in a cylinder is what type of compressor Reciprocating In a refrigeration system the low pressure low temperature vapor is converted into a high pressure high temperature vapor by the Compressor In a scroll compressor only one of the scrolls move which one moves Bottom scroll The capacity of a compressor not related to the .... of the driving moter Horsepower The on/off method of capacity control is used mainly with what 3 types of compressor Rotary scroll and reciprocating A two stage compression system does what to the compression ratio It reduces it What would a dirty condenser cause the head pressure to do It would rise In what application would you find a screw type compressor Large commercial industrial applications Whether a compressor is open or hermetic depends on its connections to the The motor Liquid slugging would likely damage the reciprocating compressor Compressors do not compress liquid The compressor takes suction vapor from the Evaporator suction line The cylinder unloaded method of capacity control is used mainly with what type of compressor Open and semi hermetic reciprocating How is compressor displacement determined The volume displaced by the piston When determining the type burnout in a system, with a hermetic compressor the first thing you want to do is Check the moisture and acid content A clean refrigerant system may contain Oil The flapper or reed valve is used in what type of compressors Reciprocating The screw scroll and sliding vane rotary compressors are similar how They move the compression chamber into a smaller shape