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