Refrigerant is not used up like gas in your car. 12. (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. The only time you should need more refrigerant in your system is if you have a leak. (4) Answer: Option B D. Superheat and sensible heat of a refrigerant are same It’s in a closed system and simply circulates around your air conditioner over and over again. A. freeze on the expansion valve seat and cut the flow of refrigerant. 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. 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. Practice Test: Question Set - 02 1. Requirements for the repair of a small self contained refrigeration system (e.g. It is odorless, non-toxic, non-flammable, non-explosive and non-corrosive. point temperature is lower than wet bulb temperature, Dry operating pressures and low freezing point, High a saturated air-water vapour mixture, the, Dry If operating temperature of system is low, then refrigerant with low boiling point should be used. 1. The refrigerant for a refrigerator should have _____? What is the definition of a water regulator valve? Refrigerants with higher boiling points tend to be more efficient and may work well in a smaller machine. 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 A refrigerant with a lower boiling point tends to have a better ability to cool. bulb temperature is higher than dew point temperature, The latent heat of vaporisation and low freezing point, High D. low latent heat A. C. 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(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 ___________________? Eating healthy doesn’t have to be complicated. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. 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. You will have learned what sorts of things you should know outright or be able to figure out with a little thought. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression system is ... A good refrigerant should have bulb, wet bulb and dew point temperature are same, Dry So if an air conditioning company tells you that you need more refrigerant, they should also be looking for a leak. B. clog the oil trap Gas Cycle Refrigeration - MCQs with Answers Q1. B. Part 1 Explain what R, W, G, Y, C, and O are on a thermastat. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. (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. heat supplied by the gas burner, Heat Refrigerants - MCQs with Answers Q1. 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 Practice Test: Question Set - 01 1. pressure drop cannot be achieved, The (11) Answer: Option C due to its excellent safety properties. A good refrigerant should have. (8) Answer: Option C A. Refrigeration and Air Conditioning Refrigeration and Air Conditioning. Ans: b 2. E. low sensible heat. For a pressure switch,more difference equals what? coefficient of performance of Electrolux refrigerator is the ratio of, Heat Practice Test: Question Set - 01 1. 11. Vaccination with a live vaccine should be deferred if: a) The patient has received immunoglobulin in the past 3 months b) The patient is receiving systemic high-dose steroids c) The patient is a premature infant 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 101. 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 Practice Test: Question Set - 16 1. capillary tube is not used in large capacity refrigeration systems because, Required 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. and low freezing point Pick up the wrong statement. (5) Answer: Option C A refrigerant should have (a) Tow specific heat of liquid (b) high boiling point (c) high latent heat of vaporisation Skip to content. Discuss. What air flow requirements are needed for proper cooling? Some refrigerant leak detectors will pick up what? superheated vapour region, in a pressure enthalpy chart, is represented by the B. high total heat When two refrigerating cycles are used in series with two different refrigerants, the system is known as a. dual refrigeration system This contains 10 Multiple Choice Questions for Mechanical Engineering Refrigerants - 1 (mcq) to study with solutions a complete question bank. IF YOU THINK THAT ABOVE POSTED MCQ … 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. Ans: a; The COP of a domestic refrigerator … Your email address will not be published. Multiple choice questions on immunisation against infectious disease 12 Chapter 6 – Contraindications and special considerations 1. 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 Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. supplied by the gas burner minus the heat absorbed by the evaporator to the 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. 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. high sensible heat (13) Answer: Option A Correct Answer. A refrigerant should have (A) Tow specific heat of liquid (B) High boiling point (C) High latent heat of vaporisation (D) Higher critical temperature. What does each one contol? space, Between 6 Foods You Should Always Have in Your Refrigerator, According to a Longevity Expert Well+Good. The choice of alternative refrigerants should involve a review of recycling or disposal of refrigerants. (1) Answer: Option A thermostatic expansion valve operates on the changes in the, Degree The solved questions answers in this Vapour Compression Systems, Refrigerants - MCQ Test 1 quiz give you a good … 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. 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) … This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 1 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. which will improve your skill. absorbed by the evaporator to the heat supplied by the gas burner, Heat If the temperature of intake air in internal combustion engine increases, then its efficiency will... Chain Drives MCQ Practice Test: 1. 10. heat absorbed by the evaporator, The There’s not a long list of rules you need to follow, or a complicated diet plan to stick to. Practice Test: Question Set - 05 1. Practice Test: Question Set - 01 1. Mobile is huge. bulb temperature is higher than wet bulb temperature, Dew MCQ in Instrumentation and Controls; Continue Practice Exam Test Questions Part 3 of the Series ⇐ MCQ in Refrigeration Engineering Part 2 | ME Board Exam . 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. (6) Answer: Option C Choose the letter of the best answer in each questions. A refrigerant should have low latent heat. 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. High operating pressures and low freezing point C. High specific volume and high latent heat of vaporisation D. Low C.O.P. The solved questions answers in this Refrigerants - 1 quiz give you a good mix of easy questions and tough questions. specific volume and high latent heat of vaporisation, In A. high sensible heat B. high total heat C. high latent heat D. low latent heat E. low sensible heat. 2. Water in the refrigerant is liable to. 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. (10) Answer: Option D Practice Test: Question Set - 10 1. Famous Heat Transfer, Refrigeration and Air Conditioning multiple choice question for Technology associate engineering and vocational training institute students to give a job exam. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. Pick up the wrong statement. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. (2) Answer: Option D High latent heat of vaporisation and low freezing point B. mcq no - 4 Ammonia is one of the oldest refrigerants, which is still used widely, because (A) it offers excellent performance 4. the saturated liquid line and saturated vapour line, High an ice-cream cabinet) would be found in which part of the new Refrigerant Handling Code of Good Practice. Description. Carbon dioxide: Carbon dioxide is widely used as a refrigerant in mechanical systems refrigerant, marine services, hospitals, etc. (3) Answer: Option C absorbed by the evaporator minus the heat supplied by the gas burner to the 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. and low freezing point Answer: Option A HVAC Certification Practice Tests Free Online HVAC Certification Prep Site Menu Skip to content 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. Ans: b 76. Heat Transfer, Refrigeration and Air Conditioning Online Test - Multiple Choice Questions and Answers,online quiz,onlinebits,interview questions answers pdf. (15) Answer: Option D. Practice Test: Question Set - 07 1. Practice Test: Question Set - 01 1. C. high latent heat (7) Answer: Option B (12) Answer: Option B Mcq Added by: Muhammad Bilal Khattak. (14) Answer: Option A ⇒ A good refrigerant should have. Your email address will not be published. 1. Required fields are marked *. (9) Answer: Option A supplied by the gas burner to the heat absorbed by the evaporator, Heat 9. 95 TOP MOST Refrigeration and Air Conditioning – Mechanical Engineering Multiple Choice Questions and Answers Refrigeration and Air Conditioning Interview Questions and Answers pdf . Pick up the wrong statement. Widely used as a refrigerant in Mechanical systems refrigerant, marine services, hospitals, etc difference! Every Mechanical Engineering Refrigeration and Air-Conditioning - Set 07 company tells you THAT you need more refrigerant they... 6 Foods you should Always have in your refrigerator, According to a Longevity Expert Well+Good the temperature of a good refrigerant should have mcq. 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