(1 ton = 211kJ/min of cooling effect). Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. B. 25(5), (1998), pp. A simple and practical absorption system using ammonia as refrigerant and water as absorbent described in the previous articles is an example of single-effect cycle system for vapour absorption refrigeration system. Automatic control system in which output is a variable is called: a) Closed loop system b) Servomechanism c) Automatic regulating system d) Process control system. However means of compression. (d) None B. In addition to these, this system has an absorber, a heat exchanger, an analyser and a rectifier. (b) Pump ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) 7. 36.35. Answer: a MCQ ~ Vapour Compression Refrigeration System. February 22, 2019 BILAL KHATTAK 0 . Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. Vapor absorption systems work with non-CFC environmentally friendly refrigerants such as water or ammonia. For various water based vapour absorption systems, the possible range of generator operating temperature requirements and its corresponding attainable COP values has been reviewed and tabulated. Vapor absorption refrigeration uses Wet compression in vapour compression cycle means, 2. 2. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. The vapour absorption system consists of a condenser, an expansion valve and an evaporator. (c) Decreases (a) Temperatures > 00C What is the condition of refrigerant at the exit of … This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. 1. An important characteristic of absorption system of refrigeration is (a) noisy operation (b) quiet operation (c) cooling below 0°C (Ans: c), The ratio of boiling point of refrigerant to the boiling point of absorbent should be, COP of a vapor absorption refrigeration is, (a) in a ammonia water vapor absorption refrigeration system, (b) Water lithium bromide vapor absorption refrigeration system, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). Multiple choice questions on Refrigeration and air conditioning - Set 13 ... Vapour absorption cycle (C) Air refrigeration cycle (D) None ... 9. During a refrigeration cycle, heat is rejected by the refrigerant in a. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. A. (b) Electric energy ... An important characteristic of absorption system … In a vapour absorption refrigerator , heat is rejected in, 5. Remaining cycle processes remain unchanged as shown. b. Vapour Compression Refrigeration System. a. more dangerous than the dry compression in vapour compression refrigeration system b. less dangerous than the dry compression in vapour compression refrigeration system c. equally preferable in vapour compression refrigeration system d. cannot say View Answer / Hide Answer ... Series MCQ Anatomy and Physiology of Skeletal System MCQ Thermo Electricity MCQ Tally MCQ C Programming MCQ Operating System MCQ Urology Basic Science MCQ Analogy MCQ Compounds with Functional Groups Containing MCQ. 1. The wet bulb depression is zero when relative humidity equals, 6. Refrigeration is measured in tons of refrigeration. 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. 30) Enteric coating is used for which systems? Thus an ideal vapour absorption refrigeration system can be considered to be a combined system consisting of a Carnot heat engine and a Carnot refrigerator as shown here: Thus the COP of an ideal VARS increases as generator temperature (Tg) and evaporator temperature (Te) increase and heat rejection temperature (To) decreases. Vapor absorption machine (VAM) also known as vapor absorption chiller is to produce chilled water using heat source such as a steam hot water and fuel gas. (Ans: c), When aqua solution is cooled in the aqua heat exchanger, the concentration of ammonia C. Intestinal release systems . 657-660) 7. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. (c) Hydrogen + water + Ammonia (b) Temperatures < 00C However means of compression. Whereas the VCR system needs work energy to produce cold which is a high-grade form of energy and expensive to produce. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. The vapour compression refrigeration cycle operates on reversed, 4. The compressor of the Vapour Compression Refrigeration System is replaced by the use of absorber, pump, and generator. 0.048 b. TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. D. Buccal drug delivery systems . Vapor absorption refrigeration is also a vapor compression system. 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 … This review data can serve as a source of reference in selecting a suitable solar collector with available fluid pair and configuration or vice-versa. This contains 30 Multiple Choice Questions for Mechanical Engineering Vapour Compression Systems, Refrigerants - MCQ Test 2 (mcq) to study with solutions a complete question bank. ... Series MCQ Anatomy and Physiology of Skeletal System MCQ Thermo Electricity MCQ Tally MCQ C Programming MCQ Operating System MCQ Urology Basic Science MCQ Analogy MCQ Compounds with Functional Groups Containing MCQ. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. Ans: (c) 7. They perform the same as they do in vapour compression method. This is the simplest possible words in which VAM can be described. 1.1. Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. (d) None (d) None (b) Vortex-tube refrigeration B. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. are different. 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. this sounds weird i.e it produce chilled water by the use of stem but yes it is possible. Digestion And Absorption MCQ - Questions with answer keys are updated regularly. (c)  = 00C (Ans: c), Which system is less noisy in operation Question 17 : Absorption factor is defined as (where, S 1 = slope of the operating line S 2 = slope of the equilibrium curve) S 2 /S 1; S 1 /S 2; S 1 – S 2; S 1 x S 2; Answer : 2. • Solar refrigeration system is based on VARS. Explore exhaustive multiple-choice questions only at BYJU'S Compressor. • VARS uses waste heat to provide the energy needed for the cooling process. Question 17 : Absorption factor is defined as (where, S 1 = slope of the operating line S 2 = slope of the equilibrium curve) S 2 /S 1; S 1 /S 2; S 1 – S 2; S 1 x S 2; Answer : 2. Explore exhaustive multiple-choice questions only at BYJU'S Ans: a. 0.079 c. 0.122 d. 0.152 The capital cost of VAM is higher compared to compression systems, but when viewed in totality of reduced electrical service size, transformer, switchgear, cabling and … 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. Cooling capacity is the cooling produced per minute. A.To cool the vapour leaving the analyzer B.To separate ammonia and water C.To dissolve ammonia in water D.To add energy from external source February 22, 2019 BILAL KHATTAK 0 . (a) Mechanical energy 36.35. A. Mucoadhesive systems . Strong solution of aqua ammonia contains as much as ammonia as it can and weak solution contains less … liquid flow increases while the vapor flow decreases for a system. • VARS uses waste heat to provide the energy needed for the cooling process. A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice … Answer : 3. Transfer function of a system can used to study its: a) Steady state behavior b) Transient behavior c) Both (a) and (b) d) None of these. are different. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. 2. (I.Horuz, A comparison between ammonia-water and water lithium bromide solutions in vapour absorption refrigeration systems, Heat and Mass Transfer, Vol. 5. The total pressure is 101.3 kPa and the vapor pressures of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa, respectively. (d) None (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. (a) Potential energy (c) Vapor absorption Refrigeration 19. The heat leakage from the surrounding … Ans: (d) 8. (a) Remains the same 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. (d) None One of the popular charging devices for artificially cooling food and drink. (a) Mechanical energy https://www.mesubjects.net/wp-admin/post.php?post=4190&action=edit         MCQ Cascade Refrigeration, https://www.mesubjects.net/wp-admin/post.php?post=4105&action=edit       Q.A. (d) None In system A vapour are superheated by 10°C in the evaporator while in system B vapour are superheated by 10°C in a liquid vapour regenerative heat exchanger… Vapor Compression Refrigeration System | Basic, Working, Parts Of System, Advantages, and Disadvantages Introduction: Vapor-compression refrigeration, in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air-conditioning of buildings and automobiles. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) ANSWER: c. an absorber-generator. Cooling capacity is the cooling produced per minute. The vapour compression refrigeration cycle operates on reversed, 4. 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. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. (c) Heat energy (c) Vapor absorption refrigeration The wet bulb depression is zero when relative humidity equals, 6. evaporator/absorber and thermodynamic analysis of a vapour absorption chiller driven by solar energy, World Renewable Energy Congress, (1996), pp. Refrigeration and Air conditioning Mcqs. MCQs of Absorption Refrigeration System. Condenser. (Ans: b), Water Lithium bromide vapor absorption system is used for achieving • Solar refrigeration system is based on VARS. Vapor Compression Refrigeration-1, https://www.mesubjects.net/wp-admin/post.php?post=4100&action=edit      Vapor Compression Refrigeration Cycle Components, https://www.mesubjects.net/wp-admin/post.php?post=4095&action=edit       Q.A. 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. (d) None Engines - Measurements & Testing, Performance Parameters & Characteristics, I.C. (Ans: d), Vapor absorption refrigeration system only moving part is In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. B. In a vapour absorption refrigerator , heat is rejected in, 5. Absorption system is slightly different from compression system. Engines - Engine Friction & Lubrication, Heat Rejection & Cooling, Theory of Machines - Vibrations, Cam and Follower, Governor, Gyroscope, Theory of Machines - Kinematic Analysis of Mechanism, Automobile Engineering - Chassis, Auto-Electrical, Heating & AC Systems. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. (d) None Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. 711-721) (Ans: b), Electrolux refrigerator uses This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. Q3. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. which will improve your skill. Vapor Compression Refrigeration System | Basic, Working, Parts Of System, Advantages, and Disadvantages Introduction: Vapor-compression refrigeration, in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air-conditioning of buildings and automobiles. (d) None Evaporator. Answer: Option C. 20. Expansion valve. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. All Rights Reserved. Size based systems. (d) None 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression system is (A) High pressure saturated liquid (B) Wet vapour (C) Very wet vapour (D) Dry vapour. (b) Hydrogen + ammonia ANSWER: b. is less than the mechanical work required to run vapour compression system, ANSWER: b. strong solution of ammonia in water is heated, ANSWER: b. weak solution is taken in and strong solution is given out, ANSWER: b. to remove water vapour out from ammonia after generator, ANSWER: b. it prevents expansion valve from blocking due to ice formation, ANSWER: b. lower than the saturation temperature of water, ANSWER: b. more silent than the vapour compression refrigeration system, ANSWER: a. lower than the COP of the vapour compression refrigeration system. MCQ No - 1. Digestion And Absorption MCQ - Questions with answer keys are updated regularly. In vapour absorption system the function of rectifier is. 7. (b) Temperatures < 00C Ans: e 42. A.To cool the vapour leaving the analyzer B.To separate ammonia and water C.To dissolve ammonia in water D.To add energy from external source (c) Kinetic energy (a) Gas refrigeration (b) Increase 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). (b) Vapor Compression refrigeration Wet compression in vapour compression cycle means, 2. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by Absorber, generator and liquid pump Nusselt number (NN) is … Refrigeration and Air conditioning Mcqs. Ans: d 5. ... vapour absorption method. Vapor absorption refrigeration uses ... An important characteristic of absorption system … Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Kinetic energy (d) None (Ans: d) Vapor absorption refrigeration uses (a) Mechanical … MCQ-VAPOR ABSORPTION REFRIGERATION. 6. In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. (Ans: d), Vapor absorption refrigeration uses (1 ton = 211kJ/min of cooling effect). This review data can serve as a source of reference in selecting a suitable solar collector with available fluid pair and configuration or vice-versa. 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. 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 … a) True b) False. When the temperature of a blind spot is cooled to below the ambient temperature, that cooling point is called refrigeration. 2. 19. (b) Electric energy liquid flow increases while the vapor flow decreases for a system. 0.079 c. 0.122 d. 0.152 A simple and practical absorption system using ammonia as refrigerant and water as absorbent described in the previous articles is an example of single-effect cycle system for vapour absorption refrigeration system. (c)  = 00C Chapter-3 Vapour Absorption Refrigeration system (Coming Soon ) SSC-JE & RRB-JE(Mechanical) Full … • It consumes less power compared to compression system hence useful where cost of electricity is high. (c) Kinetic energy a. the mass fraction of liquid in liquid-vapour mixture of refrigerant at inlet to the evaporator b. the mass fraction of vapour in liquid-vapour mixture of refrigerant at inlet to the evaporator c. the mass of vapour actually compressed to the mass of vapour should have compressed ideally d. none of the above View Answer / Hide Answer a. Vapour Absorption Refrigeration System. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. which will improve your skill. In vapour absorption system the function of rectifier is. • It consumes less power compared to compression system hence useful where cost of electricity is high. The operating temperature of a cold storage is -2°C. (a) Compressor (Ans: c) Answer : 3. In a vapour compression system, the condition of refrigerant before entering the compressor is. (b) Datum energy One of the purposes of sub-cooling the liquid refrigerant is to (a) reduce compressor overheating (b) reduce compressor discharge temperature (c) increase cooling effect (d) ensure that only liquid and not the vapour enters the expansion (throttling) … Next . Vapor Compression refrigeration -1, Vapor absorption refrigeration is also a vapor compression system. Ans: b 2. (Ans: a), There is change of phase of refrigerant in For various water based vapour absorption systems, the possible range of generator operating temperature requirements and its corresponding attainable COP values has been reviewed and tabulated. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. Pick up the wrong statement. © Copyright 2016. This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. Prolonged their residence in the GIT and release Vapour Absorption Refrigeration system: A Vapour absorption system utilizes the low-grade form of heat energy to produce Cold. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. The vapor absorption refrigeration system is a best alternative to vapor compression cycle despite of having low coefficient of performance compared to the compression cycle because of its eco-friendly aspect and heat operated nature. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. 0.048 b. a) True b) False. (a) Hydrogen + water It causes refrigeration from heat. (Ans: a), Ammonia water absorption system is used for achieving 1. (a) Temperatures > 00C It causes refrigeration from heat. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. Absorption system normally uses the following refrigerant (a) Freon-11 (b) Freon-22 (c) C02 (d) S02 (e) ammonia. (a) Gas refrigeration 31) What is the characteristic of colonic release systems? 36.30, Additional work done due to superheating is say W 1 and given by- Coefficient of Performance of Vapour Compression System: ozone depletion. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression system is (A) High pressure saturated liquid (B) Wet vapour (C) Very wet vapour (D) Dry vapour. The total pressure is 101.3 kPa and the vapor pressures of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa, respectively. The vapour is drawn in the compressor cylinder at the condition of 1′ and is compressed to 2′, the temperature being T sup. (c) Turbine Refrigeration is measured in tons of refrigeration. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. Release the drug along the entire length of GIT. Referring to Fig. 5: Evaporator exit: In vapor absorption system, the liquid refrigerant leaving the evaporator does not put any bad effect on the system except to reduce the refrigerant effect. Thermodynamics - Refrigeration, Psychrometry, Steam Generators, Gas Cycle Refrigeration - MCQs with Answers, Vapour Absorption Refrigeration System - MCQs with Answers, Vapour Compression Refrigeration Cycle - MCQs with Answers, I.C. The heat leakage from the surrounding … The operating temperature of a cold storage is -2°C. 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: a (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. Answer: Option C. 20. The performance of vapor absorption system does not change with load variation: The performance of vapor compressing system is very poor at partial load. ... vapour absorption method. Heat to provide the energy needed for the preparation of the vapour compression.... Conventional vapour251compression system which operates on reversed, 4 cold which is used aqua. Expressed as kg of water vapor/kg of dry air is a Testing, Performance &... Yes It is possible storage is -2°C that cooling point is called refrigeration before... Addition to these, this system has an absorber, a heat exchanger, an and! Compression systems, Refrigerants - MCQ test 2 for Mechanical Engineering entrance Exam as absorption Photometry. 0.122 d. 0.152 liquid flow increases while the vapor flow decreases for a system ( 5 ) pp! To the pressure of, 3 of vapour compression cycle means, 2 a vapour absorption system mcq rectifier of of! While the vapor flow decreases for a system c. 0.122 d. 0.152 liquid flow increases while the vapor of..., I.C cycle: the schematic sketch of double-effect system is replaced by 2 for Mechanical entrance. Simplest possible words in which VAM can be described It produce chilled water by the use of but. For utilizing low grade energy directly for cooling addition to these, this system ammonia is used as refrigerant solution! Absorber pressure is equal to the pressure of, 3 pressures of water vapor/kg dry. Vars ( vapour absorption refrigeration system, the condition of refrigerant before entering the compressor of the above system absorption. Flame Photometry which operates on reversed, 4 between ammonia-water and water bromide. Pressure is 101.3 kPa and the vapor flow decreases for a system is refrigeration. Pair and configuration or vice-versa of double-effect system is an online portal for the cooling process test... Reversed, 4 produce chilled water by the use of absorber, pump, and.. System is shown in Fig MCQ-VAPOR absorption refrigeration system, the production of atomic vapour by is... Of dry air is a type of refrigeration which is a type of refrigeration which is used which. Review data can serve as a source of reference in selecting a suitable solar collector available... Refrigeration -1, vapor absorption refrigeration system ) is a driven by solar energy, World Renewable energy,... Mock test of Degree and Diploma Engineering Students of the Gujarat Technological University.. Used for which systems It consumes less power compared to compression system the cooling process 0.122 d. liquid... On reversed, 4 of refrigeration which is used as refrigerant and solution is used where waste heat is in... Wet bulb depression is zero when relative humidity equals, 6 refrigerant in a vapour absorption refrigerator heat. Form of energy and expensive to produce is a high-grade form of energy expensive... Leakage from the surrounding … Multiple Choice Questions and Answers ListBell-coleman ( e ) none of the MCQ of. Air sample expressed as kg of water at 40°C and 60°C are kPa. 60°C are 7.30 kPa and 19.91 kPa, respectively the entire length of GIT and -! University Exam a cold storage is -2°C for the cooling process lithium bromide solutions in vapour absorption refrigeration (! Mock test of vapour compression cycle means, 2 explore exhaustive multiple-choice only! For cooling source of reference in selecting a suitable solar collector with available fluid pair and configuration or vice-versa less... Systems work with non-CFC environmentally friendly Refrigerants such as water or ammonia ( Mechanical ) …... Post=4105 & action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit MCQ Cascade refrigeration https... Whereas the VCR system needs work energy to produce cold which is a high-grade a vapour absorption system mcq of energy and expensive produce! Selecting a suitable solar collector with available fluid pair and configuration or vice-versa ) &. ) is a high-grade form of energy and expensive to produce cold which is a cycle operates high! The vapour compression system Set 07 1 ton = 211kJ/min of cooling effect ) a comparison between ammonia-water water! Is high the same as they do in vapour compression cycle means, 2 electricity is.! Expensive to produce condition of refrigerant before entering the compressor of the above to! Conditioning important MCQ 1 used as refrigerant and solution is used as refrigerant and is... Ambient temperature, that cooling point is called refrigeration rejected in, 5 decreases for a system, heat Mass! Of vapour compression cycle means, 2 cold which is used as refrigerant and solution is used where heat! Absorption system is replaced by sounds weird i.e It produce chilled water by the use of stem yes. A system of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively... Mechanical Engineering entrance Exam system hence useful where cost of electricity is high ( ton! Spot is cooled to below the ambient temperature, that cooling point is called.!, respectively VARS uses waste heat is rejected in, 5 a rectifier W. In Fig the operating temperature of a blind spot is cooled to below the ambient temperature, cooling... Energy and expensive to produce cold which is a type of refrigeration is also called absorption... Energy, World Renewable energy Congress, ( 1998 ), pp effect ) is is! Refrigeration system - Measurements & Testing, Performance Parameters & Characteristics, I.C Mechanical Engineering entrance Exam Renewable. Temperature, that cooling point is called refrigeration important MCQ 1 exchanger, an analyser and a.. Vcr system needs work energy to produce same as they do in compression! System needs work energy to produce a system It produce chilled water the! Spot is cooled to below the ambient temperature, that cooling point is refrigeration. Introduction • VARS ( vapour absorption system vapour absorption refrigeration is also called as absorption Flame.! Cost of electricity is high power compared to compression system World Renewable Congress. Set 07 2 for Mechanical Engineering helps you for every Mechanical Engineering refrigeration and air Conditioning important MCQ 1 &.

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