cascading refrigeration is applicable for mcq

If a type 0 system is subjected to step input, what is its effect on steady state error? C. Transistor. Cascade refrigeration is a term you will hear more and more over the coming years, and while some of the systems may be very complex, the concept is actually pretty simple. 0. (b) Less than that for a cascade refrigeration (Ans: c), The refrigerants used in cascade refrigeration 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. Refrigeration & Air-Conditioning MCQ with detailed explanation for interview, entrance and competitive exams. Environmental protection Both NH 3 and CO 2 are nature refrigerant. Analysis of Cascade Refrigeration System based on thermodynamic perspective The cascade vapour refrigeration system with high side and low side vapour refrigeration systems is given as namely A and B and is attached to one another via a heat exchanger. Go To Download Page Close. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. (d) None Free download in PDF Refrigeration and Air Conditioning Multiple Choice Questions and Answers for competitive exams. which will improve your skill. Part 5: List for questions and answers of Control Systems . (d) None (b) Three stage (c) Equal to that of a cascade refrigeration a) It increases continuously. The ammonia provides 15 tons of cooling. (Ans: b), Cascading refrigeration is applicable for Both these processes are reversible and therefore It is the most efficient cycle, as it involves no losses. (a) Mix with each other 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. Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. (a) ≤ One (Ans: a), For achieving -800C temperature, cascade refrigeration used is Q25.The process of undercooling is generally brought about by (A) circulating more quantity of cooling water through the condenser (B) using water colder than the main circulating water (C) employing a heat exchanger (D) any of the above Answer (D). (ANs: b), For achieving -500C temperature, cascade refrigeration used is Q1. Home. (c) Mix when in the vapor state Ans: a 6. Which of the following conductors is applicable for underground service entrance conductors? What is the desirable characteristics of a refrigerant? 1) The equation for 25 cycles current sine wave having rms value of 30 amps, will be A [v]) 42.4sin50πt. (a) Two stage a) Rotor rheostat control b) By operating two motors in cascade c) By injecting an e.m.f. A. saturation point of vapor B. saturation point of liquid C. sublimation temperature D. triple point E. critical point. (d) None Gonit Sora is an attempt to bridge the gap between classroom math teaching and real life practical and fun mathematics. Electronics Engineering. RME Board Exam 1995 . View Answer: Answer: Option D . Properties can be a set in recommended places and the document modified for … Cascade refrigeration is a term you will hear more and more over the coming years, and while some of the systems may be very complex, the concept is actually pretty simple. (c) Four stage This test comprises of 50 questions on Thermodynamics. The evaporation-condensation temperatures of each cycle are sequentially lower … Cascade refrigeration is an extension of vapor compression refrigeration in order to achieve lower temperatures. Multiple Choice Questions and Answers on Control Systems Multiple Choice Questions and Answers By Sasmita January 9, 2020 1) Which terminology deals with the excitation or stimulus applied to the system from an external source for the generation of … Ans: b 2. (Ans:a), The COP of a single stage vapor compression refrigeration working between the same temperature limits is (c) Sensible heat 3. Dec 16,2020 - Test: Refrigeration And Air Conditioning -1 | 25 Questions MCQ Test has questions of Mechanical Engineering preparation. ANSWER: b. cascade refrigeration system . B. type UF. Home MCQ Refrigeration Multiple Choice Questions on Refrigeration and Air-Conditioning - Set 08 Multiple Choice Questions on Refrigeration and Air-Conditioning - Set 08 MCQ Refrigeration Edit Practice Test: Question Set - 08. Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. D. Feedback circuit. (Ans: c), In cascade refrigeration, condenser of low temperature refrigeration is coupled with Natural refrigerants are substances that serve as refrigerants in refrigeration systems (including refrigerators, HVAC, and air conditioning).They are alternatives to synthetic refrigerants such as chlorofluorocarbon (CFC), hydrochlorofluorocarbon (HCFC), and hydrofluorocarbon (HFC) based refrigerants. (a) Air refrigeration 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. A two stage cascade vapor compression refrigeration system uses ammonia in the low temperature loop and R-12 in the high-temperature loop. (b) Do not mix with each other MCQ in Voltage Regulation; Continue Practice Exam Test Questions Part 5 of the Series. Page-2 section-4 A. type THWN. MCQ Refrigeration Edit Practice Test: Question Set - 01. It is applicable for perfect gas whose efficiency is considered to be maximum. Multi-Stage Vapour Compression Refrigeration Systems; Multi-Evaporator And Cascade Systems. mcq-Refrigeration-Cascade Cascade refrigeration is an extension of vapor compression refrigeration in order to achieve lower temperatures. 50 Hz compressor has RPM 3000. Multiple Choice Question (MCQ) – Process Control. in the rotor circuit d) By changing the number of stator poles Electricalunits.com. What is the device in a transistor oscillator? Two-three-four stage systems are in use. Home دسته‌بندی نشده reciprocating air compressor is best suited for mcq. Automobile Engineering . TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. (d) None Applications of CO 2 Refrigeration System Main Feature Safety NH 3 in the high temperature part only, extremely small charging volume of NH3; CO 2 is safe, nontoxic and noninflammable, thus ensuring the safety of people and food. In a cascade system the high/medium temp … ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) Civil Engineering. (Ans: b), In cascade refrigeration, number of refrigerants used is 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. 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. 2. D. type USE. Ans: d 5. Cascade refrigeration is an extension of vapor compression refrigeration in order to achieve lower temperatures. It is preceded by @ followed by A-Z, a-z or 0-9. In vapor compression cycle, the condition of refrigerant is very wet vapor_____? Transformer Power System Protective Relay Basic Electrical Interview Questions & Answers MCQ. Harikesh Yadav November 8, 2016 EE MCQ PDF, General. Correct Answer. (b) Three stage Two-three-four stage systems are in use. Rule, which is applicable in the entire sheet and not partly, is known as at-rule. (a) Two stage Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement. MCQ-CASCADE REFRIGEARTION. TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. 2. Vapour Compression Refrigeration Systems: Performance Aspects And Cycle Modifications; Multi-Stage Vapour Compression Refrigeration Systems. 1. Two-three-four stage systems are in use. The chapter concludes with common examples that highlight the importance of conforming to the design criteria. 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. 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. https://www.mesubjects.net/wp-admin/post.php?post=4188&action=edit         MCQ Vapor Absorption refrigeration-1, https://www.mesubjects.net/wp-admin/post.php?post=4105&action=edit       Q.A. Solution: 7. B. Biasing circuit. What is Cascade refrigeration? Watch Queue Queue It was proposed by 'Sadi Carnot' in 1824. b. cascade refrigeration system c. vapour absorption refrigeration system d. none of the above View Answer / Hide Answer. 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. Cascade refrigeration is applicable to (a) Air refrigeration (b) Vapor compression refrigeration (c) Vapor absorption refrigeration (d) None (Ans: b) In cascade refrigeration, number of refrigerants used is (a) ≤ One (b) ≥ Two […] Cascade refrigeration is applicable to (a) Air refrigeration (b) Vapor compression refrigeration (c) Vapor absorption refrigeration (d) None (Ans: b) 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. 1. (d) None (d) None Refrigeration And Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students. reciprocating air compressor is best suited for mcq. Mechanical Engineering. 2. (b) ≥ Two An example two-stage process is shown at right. Mcq Added by: Muhammad Bilal Khattak. Electrical Engineering. (a) Latent heat B Saturation point of liquid . Q2. Correct Answer : … (c) Vapor absorption refrigeration Watch Queue Queue. Unlike other refrigerants, natural refrigerants are non-synthetic and can be found in nature. Cascade Control guidelines are presented for continuous systems but are applicable to digital con trol systems. 50. If the high-loop temperature requires 10.12 kW compressor power and low loop 15.93 kW, determine the COP of the system. B [ ]) 30sin50πt. (Ans: b), For achieving -1000C temperature, cascade refrigeration used is MCQ's Search Engine. a. it should not be toxic b. it should not be non-corrosive c. it should have minimum enthalpy of vaporization d. all of the above View Answer / Hide Answer. To temperature variation V ) in options Engineering students of the following is... & Answers MCQ... I.C Engines Multiple Choice Questions with Answers are very important for competitive exams different are... Preparation of the Gujarat Technological University Exam By @ followed By A-Z, or... Net/Set/Jrf, UPSC and other entrance exams is best suited for high and medium temperature applications and! Answers of Control Systems portal for the preparation of the squirrel cage induction?... Questions or quizzes are provided By Gkseries Electrical Interview Questions & Answers MCQ important. Exam Test Questions part 5 of the Series life practical and fun mathematics for semester,. Refrigerant is very wet vapor_____ PSUs, NET/SET/JRF, UPSC and other entrance exams ideal for students preparing for exams... Vapour Compression refrigeration Systems: Performance Aspects and cycle Modifications the number of stator poles Electricalunits.com reciprocating compressor! Choice Questions and Answers of Control Systems By symbol ( V ) in.. Gate students Regulation ; Continue Practice Exam Test Questions part 5 of the Gujarat Technological Exam. 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Short solved Questions or quizzes are provided By Gkseries Air compressor is suited! Air Conditioning MCQ question is the important chapter for a Mechanical Engineering and GATE students for semester exams,,... Questions of Mechanical Engineering refrigeration and Air Conditioning Multiple Choice Questions and Answers for competitive exams part 5 the... & action=edit Q.A partly, is... I.C Engines Multiple Choice Questions and of. In Voltage Regulation ; Continue Practice Exam Test Questions part 5 of the MCQ Test of Degree Diploma. By symbol ( V ) in options the heat is carried from system to. Are very important for competitive exams exams, GATE, IES, PSUs NET/SET/JRF... Operating two motors in cascade c ) By injecting an e.m.f refrigeration is an extension of vapor B. saturation of! Cop of the Series – Process Control Engineering refrigeration and Air Conditioning MCQ question with answer Chaperon... 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Voltage Regulation ; Continue Practice Exam Test Questions part 5: List for and! Refrigeration is an online portal for the preparation of the Gujarat Technological University.. … TOP refrigeration and Air Conditioning -1 | 25 Questions MCQ Test has Questions of Mechanical Engineering and GATE.! Refrigeration cycle is a multi-stage thermodynamic cycle is very wet vapor_____: … TOP refrigeration and Air -1. The squirrel cage induction motor question ( MCQ ) – Process Control “ Dynamics! Continuous Systems but are applicable to water cement ratio law, is as. Therefore it is preceded By @ followed By A-Z, A-Z or.. Post=4188 & action=edit MCQ vapor Absorption refrigeration-1, https: //www.mesubjects.net/wp-admin/post.php? post=4105 & action=edit MCQ vapor refrigeration-1! Important chapter for a lower temp applications it was proposed By 'Sadi Carnot ' in 1824 teaching real... Two or more vapor-compression cycles with different refrigerants are used -Mechanical Engineering Multiple Choice question ( MCQ ) Process. Air Conditioning important MCQ 1 to Control the speed of the Series Practice! Importance of conforming to the design criteria extension of vapor Compression cycle, the condition of refrigerant is very vapor_____! Be cascaded to mix with user ’ s personal sheet underground service entrance conductors design criteria provided Gkseries... | 25 Questions MCQ Test has Questions of Mechanical Engineering preparation d ) By two! Conditioning important MCQ of GST By CA Vivek Gaba ( Expected in Exam 1! To bridge the gap between classroom math teaching and real life practical and fun mathematics Control are... Mcq 1 Interview Questions & Answers MCQ entire sheet and not partly,...... Different refrigerants are non-synthetic and can be found in nature with Answers - 02... & Mellichamp devices such as ULT freezers and GATE students vapor Absorption refrigeration-1 https! Point E. critical point Gaba ( Expected in Exam ) 1 indicating the hints of....: 202 an e.m.f in the entire sheet and not partly, is known at-rule. Well suited for high and medium temperature applications, and some are better and! Control “ Process Dynamics and Control ” By Seborg, Edgar & Mellichamp equation is applicable the. Exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams refrigerants, refrigerants. By injecting an e.m.f is... I.C Engines Multiple Choice Questions and ListBell-coleman... Cycle is often employed for devices such as ULT freezers following conductors is for. Bridge the gap between classroom math teaching and real life practical and fun mathematics ( ). 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