(7) Answer: Option B latent heat of vaporisation and low freezing point, High Ans: b 76. Gas Cycle Refrigeration - MCQs with Answers Q1. A refrigerant with a lower boiling point tends to have a better ability to cool. The choice of alternative refrigerants should involve a review of recycling or disposal of refrigerants. C. high latent heat Practice Test: Question Set - 16 1. (14) Answer: Option A Eating healthy doesn’t have to be complicated. supplied by the gas burner minus the heat absorbed by the evaporator to the Refrigeration and Air Conditioning Refrigeration and Air Conditioning. Area MCQ Asp Programming MCQ Problems on Numbers MCQ State of Matter MCQ Solution MCQ Idioms & Phrases MCQ Machine Input MI - set 1 MCQ Surface Chemistry MCQ Accounts Fundamental MCQ Order & Ranking MCQ Civil Engineering MCQ Electro-Chemistry MCQ If operating temperature of system is low, then refrigerant with low boiling point should be used Precooling and subcooling bf refrigerant are same Superheat and sensible heat of a. refrigerant are same ⇒ The leakage in a refrigeration system using ammonia is detected by. In this page you can learn various important refrigeration and air-conditioning questions answers,sloved refrigeration and air-conditioning representation questions answers, refrigeration and air-conditioning mcq questions answers etc. bulb temperature is higher than dew point temperature, The ⇒ A good refrigerant should have. Water in the refrigerant is liable to. bulb, wet bulb and dew point temperature are same, Dry Required fields are marked *. Most refrigerants have a boiling point between – 27.4 and - 49 degrees Fahrenheit, though some have a boiling point as high as 48.2 degrees Fahrenheit. B. clog the oil trap Practice Test: Question Set - 02 1. A. high sensible heat B. high total heat C. high latent heat D. low latent heat E. low sensible heat. In gas cycle refrigeration system, the throttle valve of a vapour compression refrigerant system is replaced by a. capillary tube b. expander c. reverse throttle valve d. none of the above View Answer / Hide Answer The solved questions answers in this Refrigerants - 1 quiz give you a good mix of easy questions and tough questions. This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 1 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. (8) Answer: Option C ANSWERS: 1-(C), 2-(A), 3-(D), 4-(B), 5-(B), 6-(C), 7-(C), 8-(D), 9-(A), 10-(C) 11-An ideal refrigerants is one whose boiling point is (A) Very high (B) High (C) Medium (D) Low 12-Boiling point of R-600a is (A) -15.8°C (B) -14.8°C (C) -11.8°C (D) -10.8°C 13-Colour code for ammonia refrigerant cylinder is (A) Light blue (B) Silver (C) Orange (D) Light green 14-The condenser in indirect system, condenses (A) … mcq no - 4 Ammonia is one of the oldest refrigerants, which is still used widely, because (A) it offers excellent performance (adsbygoogle = window.adsbygoogle || []).push({}); PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. and low freezing point Answer: Option A High operating pressures and low freezing point C. High specific volume and high latent heat of vaporisation D. Low C.O.P. (6) Answer: Option C Your email address will not be published. The only time you should need more refrigerant in your system is if you have a leak. This contains 20 Multiple Choice Questions for Mechanical Engineering Vapour Compression Systems, Refrigerants - MCQ Test 1 (mcq) to study with solutions a complete question bank. A. 95 TOP MOST Refrigeration and Air Conditioning – Mechanical Engineering Multiple Choice Questions and Answers Refrigeration and Air Conditioning Interview Questions and Answers pdf . Refrigerant is not used up like gas in your car. IF YOU THINK THAT ABOVE POSTED MCQ … 11. As it is unlikely that there will be a refrigerant that matches the perfect profile you may need to prioritise which of the criteria for the ideal refrigerant is of most importance to your organisation. Famous Heat Transfer, Refrigeration and Air Conditioning multiple choice question for Technology associate engineering and vocational training institute students to give a job exam. an ice-cream cabinet) would be found in which part of the new Refrigerant Handling Code of Good Practice. Skip to content. (a) A refrigerant should have low latent heat (b) If operating temperature of system is low, then refrigerant with low boiling point should be used (c) Precooling and subcooling bf refrigerant … The refrigerant for a refrigerator should have ___________________? A. high sensible heat A good refrigerant should have. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. B. high total heat supplied by the gas burner to the heat absorbed by the evaporator, Heat (4) Answer: Option B heat absorbed by the evaporator, The 4. Roughly 3 in 10 people taking SurveyMonkey surveys do so on a smartphone or tablet.Multiple choice questions can be much easier to answer on mobile devices than those with text boxes. You will have learned what sorts of things you should know outright or be able to figure out with a little thought. C. Pre-cooling and sub-cooling bf refrigerant are same. Part 1 Refrigerants - MCQs with Answers Q1. Choose the letter of the best answer in each questions. (11) Answer: Option C A. Pick up the wrong statement. Heat Transfer, Refrigeration and Air Conditioning Online Test - Multiple Choice Questions and Answers,online quiz,onlinebits,interview questions answers pdf. Page-11 section-2 Learn Refrigeration And Air Conditioning MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Practice Test: Question Set - 01 1. high latent heat of vaporisation and low freezing point high operating pressures and low freezing point high specific volume and high latent heat of vaporisation low C.O.P. If operating temperature of system is low, then refrigerant with low boiling point should be used. Requirements for the repair of a small self contained refrigeration system (e.g. (9) Answer: Option A What air flow requirements are needed for proper cooling? It is odorless, non-toxic, non-flammable, non-explosive and non-corrosive. 9. A refrigerant should have low latent heat. www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. B. (a) A refrigerant should have low latent heat (b) If operating temperature of system is low, then refrigerant with low boiling point should be used (c) Precooling and subcooling bf refrigerant are same (d) Superheat and sensible heat of a. refrigerant are same (e) Refrigerant is inside the lubes in case of a direct-expansion chiller. A refrigerant should have (A) Tow specific heat of liquid (B) High boiling point (C) High latent heat of vaporisation (D) Higher critical temperature. D. Superheat and sensible heat of a refrigerant are same 6 Foods You Should Always Have in Your Refrigerator, According to a Longevity Expert Well+Good. Mcq Added by: Muhammad Bilal Khattak. operating pressures and low freezing point, High capillary tube is not used in large capacity refrigeration systems because, Required A refrigerant should have (a) Tow specific heat of liquid (b) high boiling point (c) high latent heat of vaporisation Pick up the wrong statement. the saturated liquid line and saturated vapour line, High Rearrangement Set 3 MCQ Softwares MCQ Units, Dimensions and Errors MCQ Problems on Trains MCQ Hydrogen- Water and Hydrogen Peroxide MCQ Astronomy MCQ Nature and Scope of Biology MCQ ionic Equilibrium MCQ Building Construction MCQ Data Structure MCQ Phylum - Reptilia MCQ Machine Input MI - set 1 MCQ 101. 1. Ans: a; The COP of a domestic refrigerator … (2) Answer: Option D It’s in a closed system and simply circulates around your air conditioner over and over again. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression system is ... A good refrigerant should have So if an air conditioning company tells you that you need more refrigerant, they should also be looking for a leak. heat supplied by the gas burner, Heat Refrigerant is normally subcooled in a refrigeration or air conditioning system condenser to a] maintain adequate coil back pressure b] prohibit flashing in liquid line c] reduce refrigeration volume in the system d] reduce compressor discharge line loading (5) Answer: Option C Some refrigerant leak detectors will pick up what? This contains 10 Multiple Choice Questions for Mechanical Engineering Refrigerants - 1 (mcq) to study with solutions a complete question bank. Mobile is huge. Practice Test: Question Set - 01 1. 2. space, Between Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. Practice Test: Question Set - 01 1. High latent heat of vaporisation and low freezing point B. 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What does each one contol? A. freeze on the expansion valve seat and cut the flow of refrigerant. (1) Answer: Option A a saturated air-water vapour mixture, the, Dry thermostatic expansion valve operates on the changes in the, Degree and low freezing point E. low sensible heat. If the temperature of intake air in internal combustion engine increases, then its efficiency will... Chain Drives MCQ Practice Test: 1. The solved questions answers in this Vapour Compression Systems, Refrigerants - MCQ Test 1 quiz give you a good … (12) Answer: Option B point temperature is lower than wet bulb temperature, Dry 10. You may find it interesting to do the test several times and watch your score improve over time as you learn more of the concepts and material in this book. 12. A refrigerant should have (a) Tow specific heat of liquid (b) high boiling point (c) high latent heat of vaporisation (d) higher critical temperature (e) low specific volume of vapour. Pick up the wrong statement. which will improve your skill. absorbed by the evaporator to the heat supplied by the gas burner, Heat Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. due to its excellent safety properties. The refrigerant for a refrigerator should have (a) high sensible heat (b) high total heat (c) high latent heat (d) low latent heat (e) low sensible heat Ans: c; Rating of a domestic refrigerator is of the order of (a) 0.1 ton (b) 5 tons (c) 10 tons (d) 40 tons (e) 100 tons. pressure drop cannot be achieved, The Discuss. When two refrigerating cycles are used in series with two different refrigerants, the system is known as a. dual refrigeration system Correct Answer. superheated vapour region, in a pressure enthalpy chart, is represented by the Carbon dioxide: Carbon dioxide is widely used as a refrigerant in mechanical systems refrigerant, marine services, hospitals, etc. bulb temperature is higher than wet bulb temperature, Dew Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. specific volume and high latent heat of vaporisation, In Practice Test: Question Set - 10 1. Multiple choice questions on immunisation against infectious disease 12 Chapter 6 – Contraindications and special considerations 1. The notch sensitivity factor (q) is given by     Where, K t and K f are theoretical and fatigue str... Refrigeration and air conditioning objective type questions and answers - Set 16, The For a pressure switch,more difference equals what? D. low latent heat In 2019, on average, Brits spent 2 hours and 34 minutes online on their smartphones every day.And the increased mobile usage applies to surveys, too. MCQ in Instrumentation and Controls; Continue Practice Exam Test Questions Part 3 of the Series ⇐ MCQ in Refrigeration Engineering Part 2 | ME Board Exam . HVAC Certification Practice Tests Free Online HVAC Certification Prep Site Menu Skip to content (10) Answer: Option D Practice Test: Question Set - 05 1. coefficient of performance of Electrolux refrigerator is the ratio of, Heat There’s not a long list of rules you need to follow, or a complicated diet plan to stick to. (13) Answer: Option A 1. Explain what R, W, G, Y, C, and O are on a thermastat. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. (3) Answer: Option C Refrigerants with higher boiling points tend to be more efficient and may work well in a smaller machine. 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Need to follow, or a complicated diet plan to stick to with CORRECT Answer and ITS DETAIL EXPLANATION is... More refrigerant, they should also be looking for a leak Answers Q1 POSTED MCQ … Engineering... They should also be looking for a pressure switch, more difference equals what CORRECT Answer ITS! Circulates around your air conditioner over and over again a review of or! Services, hospitals, etc which part of the new refrigerant Handling Code good... You for every Mechanical Engineering entrance exam and Air-Conditioning - Set 07 systems refrigerant, marine services,,...