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 space, Between the saturated liquid line and saturated vapour line, High Your email address will not be published.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