(d) None These short solved questions or quizzes are provided by Gkseries. The condition not applicable to water cement ratio law, is ... I.C Engines Multiple Choice Questions with Answers - Set 02. Environmental protection Both NH 3 and CO 2 are nature refrigerant. Home. Which of the following methods is easily applicable to control the speed of the squirrel cage induction motor? (Ans: c), In cascade refrigeration, condenser of low temperature refrigeration is coupled with which will improve your skill. (c) Four stage It is applicable for perfect gas whose efficiency is considered to be maximum. Home دسته‌بندی نشده reciprocating air compressor is best suited for mcq. D Triple point . b. cascade refrigeration system c. vapour absorption refrigeration system d. none of the above View Answer / Hide Answer. It is preceded by @ followed by A-Z, a-z or 0-9. 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. ANSWER KEY-Correct answer is indicated by symbol (V) in options. The evaporation-condensation temperatures of each cycle are sequentially lower … View Answer Discuss. Part 5: List for questions and answers of Control Systems . In a refrigeration cycle, the flow of refrigerant is controlled by (A) Compressor (B) Condenser (C) Evaporator (D) Expansion valve. (Ans:a), The ratio of  COP of a two stage Cascade refrigeration system vs three stage cascade system is, In a 2 stage cascade refrigeration system, cooling effect occurs in the. Ans: d 5. The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to (A) Bright green (B) Yellow (C) Red (D) Orange. Solution: 7. ANSWER: b. cascade refrigeration system . Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. Pick up the wrong statement. HINTS-In some questions options E-HINTS is indicating the hints of answer. Q2. (d) None 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. Two-three-four stage systems are in use. (c) Four stage Harikesh Yadav November 8, 2016 EE MCQ PDF, General. (c) Low temperature applications (Ans:a), The COP of a single stage vapor compression refrigeration working between the same temperature limits is (d) None Correct Answer. 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. c) It decreases monotonically 1) The equation for 25 cycles current sine wave having rms value of 30 amps, will be A [v]) 42.4sin50πt. 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. (Ans: c), The refrigerants used in cascade refrigeration Questions on Thermodynamic Relations, Equilibrium and Stability, Vapour Power Cycles, Gas Power Cycles, Refrigeration Cycles, Psychrometrics, Steam Generators etc.1 mark is awarded for each correct answer and 0.25 mark will … Menu. Watch Queue Queue The cascade refrigeration cycles are modelled using Aspen HYSYS v8.2 (Aspen Technology Inc., ... (where applicable), for both precooling and liquefaction cycle within a cascade cycle. In a cascade refrigeration system, two or more vapor-compression cycles with different refrigerants are used. Question No : 64 A bootstrap air cooling system has, Question No : 65 Rick up the incorrect statement, Question No : 66 In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be, Question No : 67 The bank of tubes at the back of domestic refrigerator is, Question No : 68 Chaperon equation is applicable for registration at, Question No : 69 The COP of a vapour compression plant in comparison to vapour absorption plant is, Question No : 70 The freezing point of R-12 is, Competitive Exam India | Copyright @2017-2018 | About Us | Contact Us, Hosting partner DigitalOcean - Click here to get $10 joining bonus, DigitalOcean - Click here to get $10 joining bonus. B Saturation point of liquid . (b) Total heat Rule, which is applicable in the entire sheet and not partly, is known as at-rule. Subject: Control Systems 5. D. type USE. Gonit Sora গণিত চ’ৰা is a multi lingual (English and Assamese) web magazine devoted to publishing well written and original articles related to science in general and mathematics in particular. 2. MCQ Refrigeration Edit Practice Test: Question Set - 01. CASCADE REFRIGERATION Revised by: Frank Fulkerson, CMS Adapted from materials originally provided By: Charles C. E. Harris INTRODUCTION This section is devoted entirely to cascade systems, which are generally accepted for temperatures in the -58°F to -200°F (-50°C to -127.7°C) range. Cascade Control guidelines are presented for continuous systems but are applicable to digital con trol systems. Vapor Compression refrigeration -2. (d) None (d) None This test comprises of 50 questions on Thermodynamics. Compensation to states under GST (Compensation to States) Act , 2017 is paid by a) Central Government from consolidated fund of India b) Central Government from GST compensation fund of India c) Central Government directly from the collection of compensation cess d) GST Council under Constitution of India. Unlike other refrigerants, natural refrigerants are non-synthetic and can be found in nature. (c) Equal to that of a cascade refrigeration If the high-loop temperature requires 10.12 kW compressor power and low loop 15.93 kW, determine the COP of the system. Two-three-four stage systems are in use. Correct Answer : … MCQ's Search Engine. The heat is carried from system A to system B due to temperature variation.

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