Study guides, Class notes & Summaries

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

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RETA CARO EXAM WITH 100% CORRECT ANSWERS Which refrigerant has the highest mass flow requirement at the same evaporator and condensing temperature? -Correct Answer-CFC-12 which refrigerant is the first to be phased out by Montreal Protocol -Correct Answer-CFC-12 As the ratio between the evaporator and condensing pressure increases -Correct Answer-the theoretical discharge temperature increases Under the Montreal Protocol -Correct Answer-as long as a technician does not perform work on ...

RETA CARO Questions & Revised Correct Answers. 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 re...

RETA CARO Questions & Revised Correct Answers. Guarantee Pass!! The boiling temperature of a liquid can be changed by - ANSWER : Changing the pressure on the liquid How are temperature and heat related? - ANSWER : D. Temperature is a measure of the intensity of the heat in an object What does the compressor do? - ANSWER : Moves refrigerant from the low side to the high side What does the expansion device do - ANSWER : Controls liquid refrigerant flow to the evaporator What does...

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 :...

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 :...

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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 CARO PRACTICE EXAM 2024