Compressor Questions and Answers

Compressor Questions and Answers which of the following best describes the function of a compressor a compressor increases the pressure in the system full of the low side pressure to the high side pressure what are the five types of compressors reciprocating, rotary, scroll, screw, binary which of the following is true of hvacr compressors a compressor cannot compress a liquid what would be considered a higher than normal temperature for a discharge gas line on a reciprocating compressor 250° Fahrenheit which compressor type uses Pistons to compress the gas reciprocating which compressor type uses tapered, mechanical gear components to trap the gasp for compression screw which style compressor uses belts to turn the compressor open Drive what would be done to increase the compressor speed on a belt-driven compressor increase Drive pulley size which of the following design factors can affect the efficiency of a reciprocating compressor need to update answer a medium temperature are 341 A system that has a suction pressure of 22 PSIG and a discharge pressure of 185 PSI would have a compression ratio of 5.44 to 1 direct drive compressor typically runs at (blank) RPMs 1750 or 3450 a piston connecting rod, crankshaft, valve, plate, head, shaft seal, internal motor overload device, pilot Duty motor overload device, and coupling our part that may be found in a (blank) compressor reciprocating what effect does a slight amount of liquid refrigerant have on a compressor for a long period of time it dilutes the oil and causes wear on any moving parts what lubricates the Refrigeration compressor oil what can the service technician do to keep the refrigeration system operating at Peak efficiency clean the evaporator in condenser coils to keep pressure within design parameters