Reta caro exam - Study guides, Class notes & Summaries

RETA CARO Exam Questions and Answers 2024 What is the purpose of a refrigeration system? -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? - Answer-Basic physical principles, interpretation of information from temperature and pressure gauges, basic operating principles. Mechanical refrigeration is a series of steps that: -Answer-Moves he...

Reta Test 1 / RETA CARO TEST 1 / RETACARO TEST 1 EXAM what does temperature indicate - ANSWER-intensity of heat energy in an object what is required to move heat from one object to another - ANSWER-temperature difference

RETA CARO Chapter 2 / RETACARO CHAPTER 2 EXAM Four required components of a mechanical refrigeration system - ANSWER-Expansion device, evaporator, compressor, condenser Purpose of the Expansion Device - ANSWER-1) To separate the high pressure side of the system and the low pressure side of the system 2) Responsible for metering the proper amount of liquid into the evaporator Flash Gas - ANSWER-The vapor that results from the expansion process (no practical cooling is done by this item)

RETA CARO - Chapter 7 / RETA -CHAPTER 7 EXAM Lubricating Oil Function - ANSWER-Provide a film of oil between moving parts which reduces wear and friction Viscosity - ANSWER-Measure of the pour or flow characteristics of a liquid Standard Viscosity for Refrigeration Compressor oil - ANSWER-68 Viscosity plus/minus 10 percent Pour Point - ANSWER-Temperature at which oil starts to flow Oxidation - ANSWER-Oil molecule shears or breaks apart, oxygen attaches itself to exposed atoms causing oil to...

RETA CARO Exam 2023 Questions and Answers Solved Correctly. 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 ...

Reta Caro Study Guide JH Exam Questions With Verified Solutions Which is equal to 22 Psig? 36.7 Psia What is the Latent Heat of Vaporization?(H2O) 970 Btu's What product requires the most energy to lower 1 lb. by 1 degree? water What happens when pressure on a liquid is increased? Boiling point goes up/Saturation temp. goes up What happens when vapor is Superheated? Temperature above saturated/it gains sensible heat 0.5x1 degree F What causes heat to move from one...

RETA CARO Exam 2023 Questions and Answers Solved Correctly. 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 ...

RETA CARO Exam 2023 Questions and Answers Solved Correctly. 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 ...

RETA CARO TESTED Exam Questions & Revised Correct Answers. Guarantee Pass!! What does temperature indicate - ANSWER : intensity of heat energy in an object What is required to move heat from one object to another - ANSWER : temperature difference Which of these is required to obtain a valid reading from a pressure temperature chart - ANSWER : the refrigerant must be in a saturated condition Which of these is an essential component of a mechanical refrigeration system - ANSWER :...

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...