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