Reta caro 2024 - Study guides, Class notes & Summaries

RETA CARO Chapter 1 Exam With Complete Solutions 2024

RETA CARO PRACTICE EXAM 2024

RETA CARO EXAM QUESTIONS AND ANSWERS 100% CORRECT LATEST UPATE 2024

What is the purpose of a refrigeration system? - correct answer To maintain a temperature Operators must keep refrigeration systems operating safely and efficiently. Which of the following best describes the areas of required knowledge for this to be possible? - correct answer Basic physical principles, interpretation of information from temperature and pressure gauges, basic operating principles. Mechanical refrigeration is a series of steps that: - correct answer Moves heat energy from a...

What best describes pipe fitting for ammonia? - ANSWERS,Copper corrodes fast when moisture Which of these may occur when Ammonia is exposed to hot metallic surfaces? - ANSWERS,Decomposition may occur resulting in release of hydrogen gas. Which statement best describes HCHF's? - ANSWERS,R-22 Which best describes Ammonia at 80 degrees and 177.99Psig? - ANSWERS,80 degrees= 138Psig= non-condensables in the system What is the evaporating pressure for R-22 at 20 degrees? - ANSWERS,43Psig Whic...

Subcooled refrigerant can only be what - ANSWERS,Liquid Superheated refrigerant can only be ? - ANSWERS,Vapor Saturated refrigerant can be what? - ANSWERS,A liquid, vapor or a combination of the two What do you multiply the mass flow rate (lbs./min) by to determine the vapor flow rate through the compressor - ANSWERS,Specific volume (cubic ft./lbs) Three factors to consider when choosing a refrigerant are - ANSWERS,Cost, available, and safety One positive characteristic of halocarbon ...

RETA CARO EXAM QUESTIONS AND ANSWERS 100% CORRECT LATEST UPATE 2024

RETA CARO 2024 Which refrigerant has the highest mass flow requirement at the same evaporator and condensing temperature? - answer-CFC-12 which refrigerant is the first to be phased out by Montreal Protocol - answer-CFC-12 As the ratio between the evaporator and condensing pressure increases - answer-the theoretical discharge temperature increases Under the Montreal Protocol - answer-as long as a technician does not perform work on the refrigerant containing portions of a system they do n...

RETA CARO STUDY GUIDE WITH UPDATED VERIFIED ANSWERS 2024

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