Answered - [low temperature encountered at high altitude.] Condensing temperature in a refrigerator is the temperature (A) Of cooling medium (B) Of freezing zone (C) Of evaporator (D) At which refrigerant gas becomes liquid. B. red. 301. This content shows Simple View. Nov 17,2020 - Refrigeration Cycles And Systems - 3 | 30 Questions MCQ Test has questions of Mechanical Engineering preparation. Home Page -1; Home Page —-2; MCQ-REFRIGERATION COMPRESSORS. Which of the following cycles uses air as the refrigerant (a) Ericsson (b) Stirling (c) Carnot (d) Bell-coleman (e) none of the above. Air refrigeration cycle is used in (a) domestic refrigerators (b) commercial refrigerators (c) air conditioning (d) gas liquefaction (e) such a cycle does not exist. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS … Q13. MCQ on refrigeration compressors are of great help. Ans: b 2. This test is Rated positive by 93% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. a. the COP of gas-refrigeration cycle is lower than the COP of vapour compression cycle, for the same capacity b. the COP of gas-refrigeration cycle is higher than the COP of vapour compression cycle, for the same capacity c. the COP of gas-refrigeration cycle is same as the COP of vapour compression cycle d. none of the above Q1. refrigeration cycle which of the following is used for expansion' 13 / 22 'Multiple Choice Questions MCQ On Refrigeration And Air June 14th, 2018 - 12 The Pipes And Fitting In An Ammonia Refrigeration System Should Be Made Of A Cast Steel Or Wrought Iron B Aluminium' 'MULTIPLE CHOICE QUESTIONS ON HEAT TRANSFER REFRIGERATION JUNE 21ST, 2018 - THE FOLLOWING … MCQs of Vapour Compression System. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. Next . Ans: d. 34. Share to Twitter Share to Facebook Share to Pinterest. MCQ ~ Air Refrigeration Cycles. B.Domestic refrigerators C.Air-conditioning D.Gas liquefaction View Answer D.Gas liquefaction Your Comments 7. ME Subjects – Concepts Simplified Topics on Mechanical Engineering Courses. Posted on April 8, 2015 4:17 am by admin. Vapour Compression Refrigeration Cycle is the most widely used refrigeration system.In this system, the working fluid is a vapor. C. green. Correct Answer. Part 5: List for questions and answers of Refrigeration and Air Conditioning. Air refrigeration cycle is used in Questions and Answ (a) domestic refrigerators Frequently Asked P (b) commercial refrigerators Engineering Multipl (c) air conditioning and Answers pdf (d) gas liquefaction Frequently Asked C (e) such a cycle does not exist. In a vapor compression cycle, the refrigerant immediately after expansion valve is (a) liquid (b) sub-cooled liquid (c) saturated liquid (d) wet vapour (e) dry vapour. A. domestic refrigerators B. commercial refrigerators C. air conditioning D. gas liquefaction E. such a cycle does not exist. 52. Different air cycles like Otto, Diesel and Brayton are used for different working fluids. Re frige rat ion a nd Air-c ondit ioning Heat Pump and Refrigeration cycles and systems Heat Engine, Heat Pump Reversed Carnot Cycle Liquefaction of Gases Production of Solid Ice Refrigeration capacity (Ton of refrigeration) Vapour Compression System Modifications in Reversed Carnot Cycle with Vapour as a Refrigerant Vapour Compression Cycle Actual Vapour Compression Cycle … About Me . Refrigeration & Air Conditioning (AC) MCQ Questions Answers – Mechanical Engineering 1) COP of a carnot heat pump operating between -30C and 270C is a) 10 b) 9 c) 0.111 d) 0.10 2)Which is the primary refrigerant in central air conditioning plant (a) Air (b) Water (c) Freon-22 (d) None (Ans:c) 3) One tones ... Read more Refrigeration & Air Conditioning MCQ Questions Mechanical Engineering One ton refrigeration corresponds to (A) 50 kcal/ min (B) 50 kcal/ hr (C) 80 kcal/ min (D) 80 kcal/ hr. Newer Post Older Post Home. [its low unit weight per ton of refrigeration.] Correct … Domestic refrigerator working on vapour compression cycle uses the following type of expansion device_____? 11. Labels: MCQ. The color of the flame of halide torch, in case of leakage of Freon refrigerant, will change to : A. yellow. Explanation are given for understanding. Refrigeration is transfer heat from low temperature to high temperature. A. electrically operated throttling valve B. manually operated valve C. thermostatic valve D. capillary tube E. expansion valve. Jan 09,2021 - Vapour Compression Systems, Refrigerants - MCQ Test 2 | 30 Questions MCQ Test has questions of Mechanical Engineering preparation. Refrigeration and air conditioning mcq questions converted 1. This test is Rated positive by 93% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. A.Evaporator B.Condenser C.Expansion valve D.Compressor E.All of the above Related posts: A Rankine cycle working with saturated steam differs thermodynamically from a Carnot cycle only in the fact that If a discharge pressure of a refrigeration compressor is too high, it shows there is (are) A thermometer in the compressor discharge line The flow of […] MCQ Refrigeration Edit Practice Test: Question Set - 16. Posted by Raihan Kabir at 11:25 AM. From an economic point of view, the best refrigeration cycle is one that removes the greatest amount of heat from the inside of the refrigerator (cold reservoir) for the least expenditure of mechanical work or electric energy. In a refrigeration cycle, heat is rejected by the refrigerant in a (A) expansion valve (B) condenser (C) compressor (D) evaporator Answer B. MCQ No … Air refrigeration cycle is used in _____? MCQ-REFRIGERATION COMPRESSORS. These short solved questions or quizzes are provided by Gkseries. For evaporators and ... Air refrigeration cycle is used in (A) Commercial refrigerators (B) Domestic refrigerators (C) Air-conditioning (D) Gas liquefaction. Basics interview Qu Ans: d Frequently Asked C Plant Economics Mu Questions and Answ 34. Ans: d; Ammonia-absorption refrigeration cycle requires (a) very little work input (b) maximum work input (c) nearly same work input as for vapour compression cycle (d) zero work input (e) none of the above. 351. Choose the letter of the best answer in each questions. Vapour compression Cycle important Theory & Mcq || RGPV Online exam 2020 || Chapter-2 || RAC (Rgpv online exam important questions & answers 2020 )|| Chp-1 || RAC ) Instruction To Prepare this chapter. We call this ratio the coefficient of performance, denoted by COP. Pick up the wrong statement. Mcq Added by: Muhammad Bilal Khattak. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device_____? If a one ton refrigeration machine, the significance of term “One ton” is that a) One ton of refrigerant is used b) One ton water can be stored at a time c) One ton of water can be converted into ice d) One ton of ice when melts from and at 0 degree C in 24 hours the refrigeration effect equivalent to that. For measurement of temperature in cryogenic range the thermometers used are a) Pyrometers b) Radiation pyrometers c) Gas thermometers Home MCQ Refrigeration Refrigeration and Air-Conditioning Online Practice Test - Set 04 Refrigeration and Air-Conditioning Online Practice Test - Set 04 MCQ Refrigeration Edit Practice Test: Question Set - 04. -33.33 °C. 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 in Principles of Different Refrigeration Systems; MCQ in Determination of Cooling Loads; MCQ in Basic Design of Ice Plants, Cold Storage and Skating Rinks; MCQ in Instrumentation and Controls; Continue Practice Exam Test Questions Part 7 of the Series ⇐ MCQ in Refrigeration Engineering Part 6 | ME Board Exam . The process, generally used in winter air-conditioning to warm and humidity the air, is called (A) Humidification (B) Dehumidification (C) Heating and humidification (D) Cooling and dehumidification. Q12. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. MCQ No - 1. The refrigeran,commonly used in vapour absorption refrigeration systems,is..... A.Sulphur dioxide B.Ammonia C.Freon D.Aqua-ammonia View Answer D.Aqua-ammonia Your Comments 8. 1. a. throttling valve b. capillary tube c. either throttling valve or capillary tube d. none of the above View Answer / Hide Answer Choose the letter of the best answer in each questions. No comments: Post a Comment. Refrigeration and air conditioning is used to cool products or a building environment. It readily evaporates and condenses or changes alternatively between the vapor and liquid phase without leaving the refrigerating plant. High Temperature Reservoir Low Temperature Reservoir R Work Input Heat Absorbed Heat Rejected Figure 1. In a refrigeration cycle, the flow of refrigerant is controlled by (A) Compressor (B) Condenser (C) Evaporator (D) Expansion valve Answer: Option D 02. Question is ⇒ In aircraft, air refrigeration Cycle is used because of., Options are ⇒ (A) low weight per tonne of refrigeration, (B) high heat transfer rate, (C) low temperature at high altitudes, (D) higher coefficient of performance, (E) , Leave your comments or Download question paper. Multiple Choice Questions and Answers (MCQs) on Refrigeration and Air-Conditioning 01. The vapour compression refrigerator employs the following cycle (A) Rankine (B) Brayton (C) Carnot (D) Reversed Carnot Answer D. MCQ No - 2. D. orange. Subject: Refrigeration and Air Conditioning 5. The boiling … Subscribe to: Post Comments (Atom) Get Free Update. Enter your email address: Delivered by FeedBurner. Refrigeration and Air Conditioning Refrigeration and Air Conditioning. Raihan Kabir Dhaka, Bangladesh View my complete profile. The refrigeration or air conditioning system (R) transfers heat from a cooler low-energy reservoir to a warmer high-energy reservoir (see figure 1). Ans: d. 35. Refrigeration and Air Conditioning. [its high heat transfer rate.] 1. What is the Boiling temperature of F – 12? 53. Email This BlogThis! A. These short objective type questions with answers are very important for competitive exams. Vapour Compression Refrigeration Cycle - MCQs with Answers Q1. Air refrigeration cycle is used in..... A.Commercial refrigerators . Mechanical Engineering MCQ Question Papers: DRDO, ISRO, Interview. … A Bell-Coleman cycle is Jan 12,2021 - Heat Pump & Refrigeration Cycles And Systems - MCQ Test 1 | 20 Questions MCQ Test has questions of Mechanical Engineering preparation. Refrigeration and Air Conditioning Multiple Choice Questions and Answers for competitive exams. Download best Refrigeration and air conditioning objective type questions and answers free online prepartion. April 16th, 2018 - Home MCQ Refrigeration Refrigeration and Air Conditioning Online Practice Test Set 04 Refrigeration and Air air refrigeration Cycle is used because of A''ONE OF THE FUNDAMENTAL SERIES TRANE ACCUEIL APRIL 24TH, 2018 - JUNE 2011 TRG TRC003 EN AIR CONDITIONING CLINIC REFRIGERATION CYCLE ONE OF THE FUNDAMENTAL SERIES''hfcs refrigeration and air … Mcq on air cycles increases their understanding. View Answer: Answer: Option C. Explanation: 352. The relevant ratio is therefore the larger this ratio, the better the refrigerator. This test is Rated positive by 93% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. ⇐ MCQ in Refrigeration Engineering Part 7 | ME Board Exam . Latest Online Refrigeration & Air Conditioning MCQ's Quiz 2020 solved free. 1. Refrigeration and Air Conditioning (2161908) MCQ. 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