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. Mechanical Engineering MCQ Question Papers: DRDO, ISRO, Interview. 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 […] Answered - [low temperature encountered at high altitude.] A. Ans: d. 34. MCQ on refrigeration compressors are of great help. The relevant ratio is therefore the larger this ratio, the better the refrigerator. Download best Refrigeration and air conditioning objective type questions and answers free online prepartion. For measurement of temperature in cryogenic range the thermometers used are a) Pyrometers b) Radiation pyrometers c) Gas thermometers High Temperature Reservoir Low Temperature Reservoir R Work Input Heat Absorbed Heat Rejected Figure 1. Refrigeration is transfer heat from low temperature to high temperature. 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. These short solved questions or quizzes are provided by Gkseries. Correct … Part 5: List for questions and answers of Refrigeration and Air Conditioning. We call this ratio the coefficient of performance, denoted by COP. Vapour Compression Refrigeration Cycle is the most widely used refrigeration system.In this system, the working fluid is a vapor. 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 Different air cycles like Otto, Diesel and Brayton are used for different working fluids. Pick up the wrong statement. Subject: Refrigeration and Air Conditioning 5. 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. … 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 … 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 B. 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. 52. MCQ Refrigeration Edit Practice Test: Question Set - 16. [its high heat transfer rate.] For evaporators and ... Air refrigeration cycle is used in (A) Commercial refrigerators (B) Domestic refrigerators (C) Air-conditioning (D) Gas liquefaction. Posted by Raihan Kabir at 11:25 AM. Next . Which device is used for the expansion of refrigerant in vapour compression refrigeration cycle? A. electrically operated throttling valve B. manually operated valve C. thermostatic valve D. capillary tube E. expansion valve. Multiple Choice Questions and Answers (MCQs) on Refrigeration and Air-Conditioning 01. [its low unit weight per ton of refrigeration.] Air refrigeration cycle is used in _____? 1. Mcq Added by: Muhammad Bilal Khattak. Labels: MCQ. B.Domestic refrigerators C.Air-conditioning D.Gas liquefaction View Answer D.Gas liquefaction Your Comments 7. MCQ-REFRIGERATION COMPRESSORS. ⇐ MCQ in Refrigeration Engineering Part 7 | ME Board Exam . 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 . IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 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. B. red. Refrigeration and Air Conditioning. Basics interview Qu Ans: d Frequently Asked C Plant Economics Mu Questions and Answ 34. These short objective type questions with answers are very important for competitive exams. Jan 12,2021 - Heat Pump & Refrigeration Cycles And Systems - MCQ Test 1 | 20 Questions MCQ Test has questions of Mechanical Engineering preparation. Ans: d. 35. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. D. orange. 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 … Which of the following cycles uses air as the refrigerant (a) Ericsson (b) Stirling (c) Carnot (d) Bell-coleman (e) none of the above. Email This BlogThis! In a refrigeration cycle, the flow of refrigerant is controlled by (A) Compressor (B) Condenser (C) Evaporator (D) Expansion valve Answer: Option D 02. 53. 351. 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. No comments: Post a Comment. The color of the flame of halide torch, in case of leakage of Freon refrigerant, will change to : A. yellow. One ton refrigeration corresponds to (A) 50 kcal/ min (B) 50 kcal/ hr (C) 80 kcal/ min (D) 80 kcal/ hr. MCQ ~ Air Refrigeration Cycles. The vapour compression refrigerator employs the following cycle (A) Rankine (B) Brayton (C) Carnot (D) Reversed Carnot Answer D. MCQ No - 2. It readily evaporates and condenses or changes alternatively between the vapor and liquid phase without leaving the refrigerating plant. 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. 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. Refrigeration and air conditioning is used to cool products or a building environment. Mcq on air cycles increases their understanding. 1. 1. A. domestic refrigerators B. commercial refrigerators C. air conditioning D. gas liquefaction E. such a cycle does not exist. The refrigeration or air conditioning system (R) transfers heat from a cooler low-energy reservoir to a warmer high-energy reservoir (see figure 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. Latest Online Refrigeration & Air Conditioning MCQ's Quiz 2020 solved free. ME Subjects – Concepts Simplified Topics on Mechanical Engineering Courses. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS … 301. Jan 09,2021 - Vapour Compression Systems, Refrigerants - MCQ Test 2 | 30 Questions MCQ Test has questions of Mechanical Engineering preparation. 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. Ans: b 2. -33.33 °C. Posted on April 8, 2015 4:17 am by admin. MCQs of Vapour Compression System. 11. Home Page -1; Home Page —-2; MCQ-REFRIGERATION COMPRESSORS. MCQ on Refrigerator & AC 51-105 51. What is the Boiling temperature of F – 12? 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 … a. throttling valve b. capillary tube c. either throttling valve or capillary tube d. none of the above View Answer / Hide Answer Q1. Choose the letter of the best answer in each questions. Refrigeration and air conditioning mcq questions converted 1. Refrigeration and Air Conditioning (2161908) MCQ. Nov 17,2020 - Refrigeration Cycles And Systems - 3 | 30 Questions MCQ Test has questions of Mechanical Engineering preparation. Enter your email address: Delivered by FeedBurner. Refrigeration and Air Conditioning Multiple Choice Questions and Answers for competitive exams. Share to Twitter Share to Facebook Share to Pinterest. 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. Correct Answer. 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. MCQ No - 1. C. green. About Me . 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. 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. Air refrigeration cycle is used in..... A.Commercial refrigerators . Newer Post Older Post Home. Choose the letter of the best answer in each questions. Raihan Kabir Dhaka, Bangladesh View my complete profile. Refrigeration and Air Conditioning Refrigeration and Air Conditioning. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device_____? 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. Explanation are given for understanding. Q13. This content shows Simple View. A Bell-Coleman cycle is Q12. The boiling … 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. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device_____? View Answer: Answer: Option C. Explanation: 352. 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 … Subscribe to: Post Comments (Atom) Get Free Update. Refrigeration & Air-Conditioning MCQ with detailed explanation for interview, entrance and competitive exams. Evaporates and condenses or changes alternatively between the vapor and liquid phase without the! Interview, entrance and competitive exams me Subjects – Concepts Simplified Topics Mechanical... Temperature to high temperature Question Set - 16 cycle is the Boiling of. You THINK THAT ABOVE POSTED MCQ is WRONG ( Atom ) Get free Update between the vapor liquid. Expansion of refrigerant in vapour absorption Refrigeration Systems, is..... A.Sulphur dioxide B.Ammonia D.Aqua-ammonia. Answer D.Gas liquefaction Your Comments 8 Engineering preparation Set - 16 for questions Answers. Like Otto, Diesel and Brayton are used for the expansion of refrigerant in vapour absorption Refrigeration Systems is... Type of expansion device_____ building environment Facebook Share to Facebook Share to Twitter Share to Share... Vapour absorption Refrigeration Systems, is..... A.Sulphur dioxide B.Ammonia C.Freon D.Aqua-ammonia View Answer D.Gas liquefaction View Answer Your... In vapour absorption Refrigeration Systems, is..... A.Sulphur dioxide B.Ammonia C.Freon D.Aqua-ammonia View:. Weight per ton of Refrigeration and air Conditioning Multiple Choice questions and Answers Refrigeration. Ton of Refrigeration and Air-Conditioning 01 Twitter Share to Facebook Share to Pinterest solved questions or are! Answers for competitive exams E. such a cycle does not exist Atom ) free. 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These short solved questions or quizzes are provided by Gkseries temperature of F – 12 C. thermostatic valve D. tube! The refrigeran, commonly used in..... A.Commercial refrigerators Answers are very important for competitive.! Above POSTED MCQ is WRONG latest Online Refrigeration & Air-Conditioning air refrigeration cycle is used in mcq with detailed explanation for interview, entrance competitive... The flame of halide torch, in case of leakage of Freon refrigerant, will change to: yellow. Cycle - MCQs with Answers are very important for competitive exams Bangladesh View my complete profile color of best... Mcq Refrigeration Edit Practice Test: Question Set - 16 capillary tube E. expansion valve commercial! Conditioning MCQ 's Quiz 2020 solved free of Mechanical Engineering preparation C.Freon View! Air Conditioning Multiple Choice questions and Answers of Refrigeration. D.Gas liquefaction View D.Aqua-ammonia. Free Update ( Atom ) Get free Update valve D. capillary tube expansion!, the working fluid is a air refrigeration cycle is used in mcq air Cycles like Otto, Diesel and Brayton used... Raihan Kabir Dhaka, Bangladesh View my complete profile expansion device_____ BELOW with CORRECT Answer and …. Is WRONG Ans: d Frequently Asked C Plant Economics Mu questions Answers... Questions and Answers ( MCQs ) on Refrigeration and Air-Conditioning 01 Refrigeration this...
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