Rac 40 quiz 3 review - Study guides, Class notes & Summaries

RAC 40 Quiz 3 review with complete solutions

RAC 40 Quiz 3 Review Questions with Correct Answers (Already Graded A+) What is another word for flash gas? - Answer- Adiabatic expansion What is the meaning of THOR? - Answer- Total heat of rejection What will high discharge temperatures affect your compressor? - Answer- It will cause the oil temperature to rise and create acid. Acid will eat at the winding in the compressor and cause a short. Name the 4 positive displacement compressors. - Answer- Reciprocating, Rotary, Scroll, Scr...

RAC 40 Quiz 3 Review | Latest Update | 2024/2025 | 100% Pass What is the primary function of a refrigeration system? To remove heat from a designated area to lower the temperature of that area. What principle does a refrigeration cycle operate on? The principle of heat transfer, specifically using a refrigerant to absorb and release heat. What is the role of the compressor in a refrigeration system? To compress the refrigerant gas, increasing its pressure and temperature before it...

RAC 40 Quiz 3 Review Semester 1 2024. The _____ compressor is another positive displacement compressor and is used for larger air conditioning and refrigeration applications. - CORRECT ANSWER Screw Compressor The four (4) major components of a vapor compression refrigeration system are the compressor, condenser, evaporator, and ________ ______. - CORRECT ANSWER Metering device The amount of heat a refrigerant contains with -40F as the 0 heat content reference point is called - CORRECT...

RAC 40 Quiz 3 Review - Questions and Answers The _____ compressor is another positive displacement compressor and is used for larger air conditioning and refrigeration applications. Screw Compressor The four (4) major components of a vapor compression refrigeration system are the compressor, condenser, evaporator, and ________ ______. Metering device The amount of heat a refrigerant contains with -40F as the 0 heat content reference point is called Enthalpy From a performance standpoint, a sub...

RAC 40 Quiz 3 Review Semester 1 Exam 2024. The _____ compressor is another positive displacement compressor and is used for larger air conditioning and refrigeration applications. - CORRECT ANSWER Screw Compressor The four (4) major components of a vapor compression refrigeration system are the compressor, condenser, evaporator, and ________ ______. - CORRECT ANSWER Metering device The amount of heat a refrigerant contains with -40F as the 0 heat content reference point is called - CORREC...

RAC 40 Quiz 6 Review Questions and Answers Describe two types of staples and an example of their use. - Answer- U shape staple: used to secure low voltage wire Outward clinch tacker (bends staples outward): Used for securing installation around heating and cooling materials. What are two types of sheet metal screws? - Answer- self tapping, self drilling Name three types of fastening devices that can be used to mount an object to a hollow wall - Answer- 1. toggle bolt 2. wall anchor ...

RAC 40 Quiz 8 Review Questions with 100% Correct Answers What are some ways they can increase the productivity of the dehydration and evacuation process? list all you can think of - Answer- -purge system with nitrogen before pulling vacuum -heat up and kick compressors to get out all the moisture and oil from underneath -use copper tubing instead of vacuum hoses -make sure vacuum pump oil is new and vacuum pump When non condensables and moisture are left in a system hydrochloric and hy...