If the temperature of intake air in internal combustion engine increases, then its efficiency will... Chain Drives MCQ Practice Test: 1. a psychrometric chart, specific humidity (moisture content) lines are, The Next we use the 1st Law to eliminate Wref from the equation. Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. Refrigeration and air conditioning mcq questions converted 1. 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 […] Reason (R): COP  of  refrigeration system decreases with decrease in evaporator temperature. a. throttling valve b. capillary tube c. either throttling valve or capillary tube d. none of the above View Answer / Hide Answer. Q1. It condenses the refrigerant vapor to … 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 A After passing through the condenser . 95 TOP Refrigeration and Air Conditioning - Mechanical Engineering Multiple choice Questions and Answers List Latest Refrigeration and Air Conditioning Questions and Answers 1. This test is Rated positive by 86% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. 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 ... 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It is a compression process, whose aim is to raise the refrigerant pressure, as it flows from an evaporator. Cooling towers – concept and types. SURVEY . 1. are different. Vapour Compression Refrigeration Cycle is the most widely used refrigeration system.In this system, the working fluid is a vapor. Many gases can be put into a liquid state at normal atmospheric pressure by simple cooling; a few, such as carbon dioxide, require pressurization as well. (11) Answer: Option A Explanation are … A comprehensive database of refrigeration quizzes online, test your knowledge with refrigeration quiz questions. C. green. free download here pdfsdocuments2 com. Expansion. Solution(By Examveda Team) The processes are used for scientific, industrial and commercial purposes. Refrigeration & Air Conditioning MCQ Questions Mechanical Engineering . R.K Jain MCQ Part-1(1-50) !! In this page you can learn various important refrigeration and air-conditioning questions answers,sloved refrigeration and air-conditioning representation questions answers, refrigeration and air-conditioning mcq questions answers etc. This contains 20 Multiple Choice Questions for Mechanical Engineering Heat Pump & Refrigeration Cycles And Systems - MCQ Test 1 (mcq) to study with solutions a complete question bank. Next . Reason (R): The refrigerating machine requires more energy for working where as a heat pump requires less. Ans: c; The C.O.P. Option – c) 12)Clapeyron equation is a relation between (a) temperature, pressure and enthalpy This set of Thermodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Absorption Refrigeration Cycle”. 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. of 4. 4. The required input is the work input, W ref. ... 16 Ammonia-absorption refrigeration cycle requires A very little work input. Expansion. Reason (R): The heat pump is far more economical in operation than electric heater. sensible cooling of air, specific humidity, In mcq refrigeration and air conditioning 2 mcq s for. 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. Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. a vapour compression system, the condition of refrigerant is dry saturated In a vapour compression system, the lowest temperature during the cycles occurs after. Comparison Between Disc Brake & Drum Brake, TOM, Mechanical Engineering, GATE, Syllabus - Mechanical Engineering : ME, GATE, What is Cams & Followers, TOM, Mechanical Engineering, GATE, Mechanical Properties of Engineering Materials, Heat Pump & Refrigeration Cycles And Systems - MCQ Test 1, Heat Pump & Refrigeration Cycles And Systems - MCQ Test 2. During this process it Refrigeration & Air-Conditioning MCQ Question with Answer Refrigeration & Air-Conditioning MCQ with detailed explanation for interview, entrance and competitive exams. These short solved questions or quizzes are provided by Gkseries. Choose the letter of the best answer in each questions. Condensation. Cycle Refrigeration System''books on hvac multiple choice questions June 18th, 2018 - Multiple choice Polldaddy Support Multiple choice sample questions The multiple choice question type is a very useful question type that 1. The C.O.P. Evaporator Temperature = 273 – 30 = 243 K, A Carnot heat pump works between temperature limits of 277º C and 27º C. Its COP is. 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. 9 kJ/s and the outside temperature in winter is 5°C. To improve the COP of a refrigeration system, the sub-cooling in the condenser should be (a) High (b) Low (c) Zero (d) None (Ans:a) The cooling effect is higher in a (a) Boot strap air refrigeration cycle (b) Bell column cycle (c) Vapor compression cycle (d) None (Ans: c) The boiling point of a liquid increases with the (a) Decrease of pressure Practice Test: Question Set - 01 1. (13) Answer: Option B a) it can be air-cooled or water-cooled b) small self-contained units use water-cooled condenser c) large installations use air-cooled condenser Reduces temperature of refrigerant. Condensation. The vapour compression refrigerator employs the following cycle (A) Rankine (B) Carnot (C) Reversed Rankine (D) Reversed Carnot. For refrigerating machine our aim is to extract heat from lower temperature source. Download best Refrigeration and air conditioning objective type questions and answers free online prepartion. A heat pump operating on Carnot cycle pumps heat from a reservoir at 300 K to a reservoir at 600 K. The coefficient of performance is: Assertion (A): Heat pump used for heating is a definite advancement over the simple electric heater. students definitely take this Heat Pump & Refrigeration Cycles And Systems - MCQ Test 1 exercise for a better result in the exam. The Vapor Compression Refrigeration Cycle involves four components: compressor, condenser, expansion valve/throttle valve and evaporator. B. red. 95 top refrigeration and air conditioning mechanical. Compression. which will improve your skill. vapor compression refrigeration cycle questions and. 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