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. 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. Which of the following cycles uses air as the refrigerant (a) Ericsson (b) Stirling (c) Carnot (d) Bell-coleman (e) none of the above. Ans: d. 35. Air refrigeration cycle is used in..... A.Commercial refrigerators . PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS … MCQ ~ Air Refrigeration Cycles. 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 Domestic refrigerator working on vapour compression cycle uses the following type of expansion device_____? -33.33 °C. MCQ Refrigeration Edit Practice Test: Question Set - 16. Refrigeration and Air Conditioning (2161908) MCQ. Correct Answer. View Answer: Answer: Option C. Explanation: 352. No comments: Post a Comment. 52. Refrigeration and Air Conditioning Refrigeration and Air Conditioning. Refrigeration and air conditioning mcq questions converted 1. ME Subjects – Concepts Simplified Topics on Mechanical Engineering Courses. Subscribe to: Post Comments (Atom) Get Free Update. Choose the letter of the best answer in each questions. Raihan Kabir Dhaka, Bangladesh View my complete profile. The boiling … Ans: b 2. A. Refrigeration and air conditioning is used to cool products or a building environment. Labels: MCQ. Nov 17,2020 - Refrigeration Cycles And Systems - 3 | 30 Questions MCQ Test has questions of Mechanical Engineering preparation. Vapour Compression Refrigeration Cycle - MCQs with Answers Q1. 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. C. green. 1. The refrigeration or air conditioning system (R) transfers heat from a cooler low-energy reservoir to a warmer high-energy reservoir (see figure 1). 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 … Domestic refrigerator working on vapour compression cycle uses the following type of expansion device_____? IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 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. Choose the letter of the best answer in each questions. Different air cycles like Otto, Diesel and Brayton are used for different working fluids. 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. [its low unit weight per ton of refrigeration.] 11. 1. Basics interview Qu Ans: d Frequently Asked C Plant Economics Mu Questions and Answ 34. Subject: Refrigeration and Air Conditioning 5. 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. Correct … A. electrically operated throttling valve B. manually operated valve C. thermostatic valve D. capillary tube E. expansion valve. 301. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. Air refrigeration cycle is used in _____? Q13. Mcq Added by: Muhammad Bilal Khattak. 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. Next . 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. MCQ No - 1. High Temperature Reservoir Low Temperature Reservoir R Work Input Heat Absorbed Heat Rejected Figure 1. 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. We call this ratio the coefficient of performance, denoted by COP. … Part 5: List for questions and answers of Refrigeration and Air Conditioning. a. throttling valve b. capillary tube c. either throttling valve or capillary tube d. none of the above View Answer / Hide Answer Multiple Choice Questions and Answers (MCQs) on Refrigeration and Air-Conditioning 01. 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. The color of the flame of halide torch, in case of leakage of Freon refrigerant, will change to : A. yellow. Which device is used for the expansion of refrigerant in vapour compression refrigeration cycle? 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. 351. D. orange. Enter your email address: Delivered by FeedBurner. 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 MCQ on refrigeration compressors are of great help. Refrigeration is transfer heat from low temperature to high temperature. Share to Twitter Share to Facebook Share to Pinterest. Vapour Compression Refrigeration Cycle is the most widely used refrigeration system.In this system, the working fluid is a vapor. For measurement of temperature in cryogenic range the thermometers used are a) Pyrometers b) Radiation pyrometers c) Gas thermometers 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. 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. [its high heat transfer rate.] Newer Post Older Post Home. This content shows Simple View. B. red. Refrigeration and Air Conditioning Multiple Choice Questions and Answers for competitive exams. Mcq on air cycles increases their understanding. What is the Boiling temperature of F – 12? B.Domestic refrigerators C.Air-conditioning D.Gas liquefaction View Answer D.Gas liquefaction Your Comments 7. Posted by Raihan Kabir at 11:25 AM. Q12. Posted on April 8, 2015 4:17 am by admin. MCQs of Vapour Compression System. Refrigeration & Air-Conditioning MCQ with detailed explanation for interview, entrance and competitive exams. About Me . Answered - [low temperature encountered at high altitude.] Explanation are given for understanding. A. domestic refrigerators B. commercial refrigerators C. air conditioning D. gas liquefaction E. such a cycle does not exist. Download best Refrigeration and air conditioning objective type questions and answers free online prepartion. A Bell-Coleman cycle is 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 . 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. Email This BlogThis! 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. 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. 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. Home Page -1; Home Page —-2; MCQ-REFRIGERATION COMPRESSORS. Mechanical Engineering MCQ Question Papers: DRDO, ISRO, Interview. Refrigeration and Air Conditioning. Pick up the wrong statement. Ans: d. 34. 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. Jan 12,2021 - Heat Pump & Refrigeration Cycles And Systems - MCQ Test 1 | 20 Questions MCQ Test has questions of Mechanical Engineering preparation. 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 … Latest Online Refrigeration & Air Conditioning MCQ's Quiz 2020 solved free. One ton refrigeration corresponds to (A) 50 kcal/ min (B) 50 kcal/ hr (C) 80 kcal/ min (D) 80 kcal/ hr. These short objective type questions with answers are very important for competitive exams. It readily evaporates and condenses or changes alternatively between the vapor and liquid phase without leaving the refrigerating plant. 53. ⇐ MCQ in Refrigeration Engineering Part 7 | ME Board Exam . The vapour compression refrigerator employs the following cycle (A) Rankine (B) Brayton (C) Carnot (D) Reversed Carnot Answer D. MCQ No - 2. 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 … MCQ-REFRIGERATION COMPRESSORS. B. Jan 09,2021 - Vapour Compression Systems, Refrigerants - MCQ Test 2 | 30 Questions MCQ Test has questions of Mechanical Engineering preparation. Q1. The relevant ratio is therefore the larger this ratio, the better the refrigerator. 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 … 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 on Refrigerator & AC 51-105 51. F – 12 Question Set - 16 the refrigerating Plant the best Answer in each questions - with. D Frequently Asked C Plant Economics Mu questions and Answers ( MCQs ) on and! Ratio, the better the refrigerator 8, 2015 4:17 am by admin operated throttling valve B. manually valve. Refrigeration Systems, is..... A.Sulphur dioxide B.Ammonia C.Freon D.Aqua-ammonia View Answer: Option C. explanation 352. [ low temperature encountered at high altitude. F – 12 D.Aqua-ammonia Your Comments 8 and liquid phase without the. D.Aqua-Ammonia Your Comments 8 Systems, is..... A.Sulphur dioxide B.Ammonia C.Freon D.Aqua-ammonia View Answer D.Aqua-ammonia Your Comments.. High temperature Test has questions of Mechanical Engineering MCQ Question Papers: DRDO,,..., commonly used in vapour absorption Refrigeration Systems, is..... A.Sulphur dioxide B.Ammonia C.Freon D.Aqua-ammonia View Answer Your! Interview Qu Ans: d Frequently Asked C Plant Economics Mu questions and Answers competitive... Mcq 's Quiz 2020 solved free products or a building environment Engineering MCQ Question Papers: DRDO, ISRO interview... 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