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 Your email address will not be published.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

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