Mechanical Engineering Exam > Mechanical Engineering Questions > The use of refrigerant R-22 for temperatures ...
Start Learning for Free
The use of refrigerant R-22 for temperatures below -30°C is not recommended due to its
- a)good miscibility with lubricating oil
- b)poor miscibility with lubricating oil
- c)low evaporating pressure
- d)high compressor discharge temperature
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
The use of refrigerant R-22 for temperatures below -30°C is not re...
The use of refrigerant R-22 for temperatures below -30 degrees Celsius is not recommended. R-22, also known as chlorodifluoromethane, is a common hydrochlorofluorocarbon (HCFC) used as a refrigerant in air conditioning and refrigeration systems.
R-22 has a boiling point of -40.8 degrees Celsius at atmospheric pressure. However, its performance and efficiency decrease significantly at very low temperatures. It may not be able to achieve the desired cooling effect or maintain stable operation at temperatures below -30 degrees Celsius.
In addition, R-22 is being phased out globally due to its ozone-depleting properties. Many countries have already implemented restrictions on the production and use of R-22, and it is being replaced by more environmentally friendly refrigerants like R-410A.
For temperatures below -30 degrees Celsius, other refrigerants with lower boiling points or specialized refrigerants designed for extreme cold conditions should be considered. These refrigerants are specifically formulated to operate efficiently at extremely low temperatures and provide the required cooling capacity.
R-22 has a boiling point of -40.8 degrees Celsius at atmospheric pressure. However, its performance and efficiency decrease significantly at very low temperatures. It may not be able to achieve the desired cooling effect or maintain stable operation at temperatures below -30 degrees Celsius.
In addition, R-22 is being phased out globally due to its ozone-depleting properties. Many countries have already implemented restrictions on the production and use of R-22, and it is being replaced by more environmentally friendly refrigerants like R-410A.
For temperatures below -30 degrees Celsius, other refrigerants with lower boiling points or specialized refrigerants designed for extreme cold conditions should be considered. These refrigerants are specifically formulated to operate efficiently at extremely low temperatures and provide the required cooling capacity.
Attention Mechanical Engineering Students!
To make sure you are not studying endlessly, EduRev has designed Mechanical Engineering study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Mechanical Engineering.
|
Explore Courses for Mechanical Engineering exam
|
|
Similar Mechanical Engineering Doubts
Top Courses for Mechanical EngineeringView all
The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer?
Question Description
The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer?.
The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free.
Here you can find the meaning of The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice The use of refrigerant R-22 for temperatures below -30°C is not recommended due to itsa)good miscibility with lubricating oilb)poor miscibility with lubricating oilc)low evaporating pressured)high compressor discharge temperatureCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
|
|
Explore Courses for Mechanical Engineering exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup