Rac 40 - Study guides, Class notes & Summaries

RAC Drugs Final Exam 2024 | 40 Questions with 100% Correct Answers | Verified | Latest Update | Graded A+ (EU) MA - Market Authorization or product license issued by health authority. Valid for 5 years and subject to 1 renewal. 4 EU procedures to obtain an MA - National, centralised, mutual recognition, decentralized procedures MAH - A legal person or legal entity who must be established in the European Economic Area comprising of 28 member states. What does an MA include? - Active substance...

RAC 40 Quiz 7 Review Questions and Answers All Correct When When making a swage joint, what should the depth of the enlarged portion of the tube be? - Answer- Depth depends on the diameter of the tubing and should have the same measurements as the diameter of the tubing The type of steel pipe thread used primarily in this industry is the "tapered" thread. Why? - Answer- tapered has a better fit When soldering, what is the flow of molten filler material between the two base metals ca...

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 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 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...

RAC 40 QUIZ 5 QUESTIONS AND CORRECT ANSWERS ALREADY PASSED A wiring and crimping tool is used to: A. Staple low-voltage wire B. Crimp tubing C. Cut and strip wire D. Fasten insulation to duct - Answer- C. Cut and strip wire A socket set is an integral part of a technician's toolbox because. A. The ratchet handle can loosen and tighten a nut or hex head bolt with minimal movement B. there are multiple sockets that can be interchanged easily to accommodate different size nuts and bo...

RAC 40 QUIZ 5 Review | Latest Update | 2024/2025 | Rated A+ What is the main objective of a regulatory submission? To obtain approval for a product's marketing and use. What is the purpose of a clinical trial? To assess the safety and efficacy of a new treatment or device. Which document is essential for the approval of a new drug in the U.S.? New Drug Application (NDA). What does the term "orphan drug" refer to? A drug developed to treat a rare disease or condition. Wha...

RAC 40 Quiz 7 Review | Latest Update | 2024/2025 | 100% Verified What is the key difference between soldering and brazing? Soldering occurs below 840°F, while brazing takes place at temperatures above 840°F. Why is flux used in both soldering and brazing? Flux removes oxides from the metal surface and prevents further oxidation during the heating process. What is the purpose of capillary action in brazing? Capillary action draws the molten filler material into the joint betw...

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 6 Review | Latest Version | 2024/2025 | Graded A+ What is the primary purpose of the refrigerant in a cooling system? To absorb heat from the environment and transfer it elsewhere. What safety precaution should be taken when handling refrigerants? Always wear protective gloves and goggles to prevent skin and eye exposure. Why is it important to monitor refrigerant levels in a system? To ensure efficient operation and prevent compressor damage due to low refrigerant. ...