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