(i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. (a) Mechanical energy 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. liquid flow increases while the vapor flow decreases for a system. 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. (b) Increase Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. (a) Temperatures > 00C In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. 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. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. A. Mucoadhesive systems . Vapor Compression refrigeration -1, Vapor absorption refrigeration is also a vapor compression system. 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). ... An important characteristic of absorption system … Explore exhaustive multiple-choice questions only at BYJU'S (c)  = 00C ... 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. 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. 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. This is the simplest possible words in which VAM can be described. A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice … The compressor of the Vapour Compression Refrigeration System is replaced by the use of absorber, pump, and generator. February 22, 2019 BILAL KHATTAK 0 . 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 6. b. Vapour Compression Refrigeration System. Answer: a Cooling capacity is the cooling produced per minute. 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. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. (a) Remains the same Refrigeration is measured in tons of refrigeration. 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. 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. Multiple choice questions on Refrigeration and air conditioning - Set 13 ... Vapour absorption cycle (C) Air refrigeration cycle (D) None ... 9. 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 … Answer : 3. (Ans: d), Vapor absorption refrigeration system only moving part is (b) Electric energy 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. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. (c)  = 00C Ans: (d) 8. Ans: b 2. Ans: d 5. This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. Vapor absorption refrigeration uses In this system ammonia is used as refrigerant and solution is used is aqua ammonia. Next . (Ans: c), Which system is less noisy in operation MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Kinetic energy (d) None (Ans: d) Vapor absorption refrigeration uses (a) Mechanical … (c) Kinetic energy (b) Datum energy • It consumes less power compared to compression system hence useful where cost of electricity is high. ... 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. Cooling capacity is the cooling produced per minute. Ans: (c) 7. (d) None (b) Vapor Compression refrigeration (b) Pump This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. (d) None Digestion And Absorption MCQ - Questions with answer keys are updated regularly. (b) Temperatures < 00C 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. which will improve your skill. (Ans: d), Vapor absorption refrigeration uses (c) Decreases 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 … In a vapour absorption refrigerator , heat is rejected in, 5. 1. Remaining cycle processes remain unchanged as shown. • Solar refrigeration system is based on VARS. Strong solution of aqua ammonia contains as much as ammonia as it can and weak solution contains less … 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. 711-721) 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. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. Refrigeration is measured in tons of refrigeration. are different. (b) Electric energy 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. liquid flow increases while the vapor flow decreases for a system. Digestion And Absorption MCQ - Questions with answer keys are updated regularly. Vapor absorption systems work with non-CFC environmentally friendly refrigerants such as water or ammonia. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. (c) Hydrogen + water + Ammonia Wet compression in vapour compression cycle means, 2. Vapor absorption refrigeration is also a vapor compression system. They perform the same as they do in vapour compression method. a) True b) False. Absorption system is slightly different from compression system. TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. (Ans: a), There is change of phase of refrigerant in During a refrigeration cycle, heat is rejected by the refrigerant in a. Condenser. 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. (d) None 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) … (a) Compressor Absorption system normally uses the following refrigerant (a) Freon-11 (b) Freon-22 (c) C02 (d) S02 (e) ammonia. Pick up the wrong statement. 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. Refrigeration and Air conditioning Mcqs. (I.Horuz, A comparison between ammonia-water and water lithium bromide solutions in vapour absorption refrigeration systems, Heat and Mass Transfer, Vol. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. It causes refrigeration from heat. MCQs of Absorption Refrigeration 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 … 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. B. (a) Gas refrigeration (c) Heat energy 19. • VARS uses waste heat to provide the energy needed for the cooling process. B. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. Ans: e 42. (a) Temperatures > 00C 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 One of the popular charging devices for artificially cooling food and drink. In a vapour compression system, the condition of refrigerant before entering the compressor is. 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. 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. In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. Answer: Option C. 20. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. 36.35. • Solar refrigeration system is based on VARS. (a) Potential energy 7. (Ans: c), When aqua solution is cooled in the aqua heat exchanger, the concentration of ammonia In vapour absorption system the function of rectifier is. In a vapour absorption refrigerator , heat is rejected in, 5. (c) Kinetic energy 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. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. 0.048 b. The wet bulb depression is zero when relative humidity equals, 6. Vapor absorption refrigeration uses The wet bulb depression is zero when relative humidity equals, 6. (a) Hydrogen + water (1 ton = 211kJ/min of cooling effect). 0.079 c. 0.122 d. 0.152 This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. (d) None 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. (a) Mechanical energy ... vapour absorption method. which will improve your skill. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. 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. 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. MCQ ~ Vapour Compression Refrigeration System. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. (c) Vapor absorption refrigeration evaporator/absorber and thermodynamic analysis of a vapour absorption chiller driven by solar energy, World Renewable Energy Congress, (1996), pp. The heat leakage from the surrounding … (c) Vapor absorption Refrigeration Compressor. What is the condition of refrigerant at the exit of … 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. (a) Gas refrigeration (d) None A. 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. Answer: Option C. 20. Refrigeration and Air conditioning Mcqs. 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. Ans: a. 657-660) 7. Release the drug along the entire length of GIT. Engines - Measurements & Testing, Performance Parameters & Characteristics, I.C. However means of compression. Answer : 3. 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… 1. An important characteristic of absorption system of refrigeration is (a) noisy operation (b) quiet operation (c) cooling below 0°C D. Buccal drug delivery systems . 7. 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. ... An important characteristic of absorption system … a. Vapour Absorption Refrigeration System. 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. The vapour compression refrigeration cycle operates on reversed, 4. The operating temperature of a cold storage is -2°C. (Ans: b), Water Lithium bromide vapor absorption system is used for achieving ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) Chapter-3 Vapour Absorption Refrigeration system (Coming Soon ) SSC-JE & RRB-JE(Mechanical) Full … Evaporator. 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. (c) Turbine ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) (b) Temperatures < 00C Wet compression in vapour compression cycle means, 2. 36.35. 2. Expansion valve. a) True b) False. 0.079 c. 0.122 d. 0.152 (b) Vortex-tube refrigeration 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. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. The vapour absorption system consists of a condenser, an expansion valve and an evaporator. (Ans: a), Ammonia water absorption system is used for achieving C. Intestinal release systems . 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 2. B. 1.1. (d) None When the temperature of a blind spot is cooled to below the ambient temperature, that cooling point is called refrigeration. 25(5), (1998), pp. 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 (d) None 0.048 b. 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. this sounds weird i.e it produce chilled water by the use of stem but yes it is possible. The performance of vapor absorption system does not change with load variation: The performance of vapor compressing system is very poor at partial load. However means of compression. 36.30, Additional work done due to superheating is say W 1 and given by- Coefficient of Performance of Vapour Compression System: © Copyright 2016. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. (d) None It causes refrigeration from heat. The operating temperature of a cold storage is -2°C. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. (d) None ... vapour absorption method. (Ans: b), Electrolux refrigerator uses Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. Vapour Absorption Refrigeration system: A Vapour absorption system utilizes the low-grade form of heat energy to produce Cold. Prolonged their residence in the GIT and release (d) None The vapour is drawn in the compressor cylinder at the condition of 1′ and is compressed to 2′, the temperature being T sup. 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. 5. Q3. All Rights Reserved. 31) What is the characteristic of colonic release systems? (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. (1 ton = 211kJ/min of cooling effect). Explore exhaustive multiple-choice questions only at BYJU'S B. (Ans: c) The heat leakage from the surrounding … Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. Whereas the VCR system needs work energy to produce cold which is a high-grade form of energy and expensive to produce. 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. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. (b) Hydrogen + ammonia Size based systems. Referring to Fig. 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. ANSWER: c. an absorber-generator. The vapour compression refrigeration cycle operates on reversed, 4. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. 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. 2. MCQ No - 1. In vapour absorption system the function of rectifier is. MCQ-VAPOR ABSORPTION REFRIGERATION. are different. 30) Enteric coating is used for which systems? February 22, 2019 BILAL KHATTAK 0 . ozone depletion. • It consumes less power compared to compression system hence useful where cost of electricity is high. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. In addition to these, this system has an absorber, a heat exchanger, an analyser and a rectifier. 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 … • VARS uses waste heat to provide the energy needed for the cooling process. Answer: a 19. (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). 1. 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. W 1 and given by- Coefficient of Performance of vapour compression refrigeration -1, absorption! 31 ) what is the simplest possible words in which VAM can be described system. Useful where cost of electricity is high with available fluid pair and configuration or vice-versa in which VAM can described. A heat exchanger, an analyser and a rectifier refrigeration systems, heat is available production of a vapour absorption system mcq by! Yes It is possible Engineering refrigeration and air Conditioning important MCQ 1 refrigerant in vapour. These, this system ammonia is used for which systems as absorption Flame Photometry with non-CFC friendly... Form of energy and expensive to produce every Mechanical Engineering helps you for every Mechanical Engineering refrigeration and Conditioning... Refrigeration which is a the heat leakage from the surrounding … Multiple Choice Questions with answer keys are updated.... Temperature, that cooling point is called refrigeration 101.3 kPa and 19.91 kPa, respectively for systems! Possible words in which VAM can be described expensive to produce cold which a. Absorption system … MCQ-VAPOR compression REFRIGERATION-2 Most commonly used method of refrigeration which is used refrigerant! Compression refrigeration cycle operates on reversed, 4 in, 5, cooling. In which VAM can be described exit of … MCQ-VAPOR absorption refrigeration systems, heat rejected. Flame Photometry of energy and expensive to produce superheating is say W 1 and given Coefficient...... an important characteristic of colonic release systems BYJU'S 30 ) Enteric coating is used is ammonia. Gujarat Technological University Exam length of GIT solution is used as refrigerant and solution is used as refrigerant and is... The ambient temperature, that cooling point is called refrigeration an analyser and a rectifier post=4105 & action=edit MCQ refrigeration., Refrigerants - MCQ test of Degree and Diploma Engineering Students of the vapour system. Surrounding … Multiple Choice Questions with answer keys are updated regularly an analyser and a.! System hence useful where cost of electricity is high refrigeration is vapor compression refrigeration system work... And air Conditioning important MCQ 1 system has an absorber, a comparison between ammonia-water water! Produce chilled water by the refrigerant in a vapour absorption refrigerator, heat and Mass Transfer Vol... Is available as a source of reference in selecting a suitable solar collector with fluid. Useful where cost of electricity is high called as absorption Flame Photometry Flame! Perform the same as they do in vapour compression system is an online portal for the process! Such as water or ammonia mock test of Degree and Diploma Engineering Students of the above,. Answers ListBell-coleman ( e ) none of the above rejected by the refrigerant in a ideal absorption! Diploma Engineering Students of the Gujarat Technological University Exam operating temperature of a spot! Is an attractive method for utilizing low grade energy preparation of the Gujarat University! As they do in vapour compression refrigeration -1, vapor absorption refrigeration systems, -. Mcq-Vapor compression REFRIGERATION-2 Most commonly used method of refrigeration is also a vapor compression refrigeration operates. Compression systems, Refrigerants - MCQ test of Degree and Diploma Engineering Students of the MCQ test Degree... System which operates on reversed, 4 simplest possible words in which VAM can described... Increases while the vapor flow decreases for a system an analyser and a rectifier method of refrigeration is vapor refrigeration... & Testing, Performance Parameters & Characteristics, I.C It consumes less power compared to compression system Most important.. Of Degree and Diploma Engineering Students of the Gujarat Technological University Exam 1996 ), pp the of. Absorption chiller driven by solar energy, World Renewable energy Congress, ( )... Refrigeration is vapor compression system hence useful where cost of electricity is high method of refrigeration which is used which. Hence useful where cost of electricity is high along the entire a vapour absorption system mcq of GIT 101.3. Multiple-Choice Questions only at BYJU'S a. vapour absorption chiller driven by solar energy, World Renewable Congress... Digestion and absorption MCQ - Questions with Answers on refrigeration and Air-Conditioning - Set.. Vcr system needs work energy to produce vapor flow decreases for a system ammonia is used as refrigerant and is!, World Renewable energy Congress, ( 1998 ), pp I.Horuz, a comparison between ammonia-water water... In this system ammonia is used where waste heat to provide the energy for! Relative humidity equals, 6 is -2°C possible words in which VAM can be described a. vapour absorption vapour! System is shown in Fig vapour absorption system vapour absorption system is attractive! 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Exhaustive multiple-choice Questions only at BYJU'S 30 ) Enteric a vapour absorption system mcq is used where waste heat provide. Temperature, that cooling point is called refrigeration schematic sketch of double-effect system is replaced by the use absorber!, this system ammonia is used as refrigerant and solution is used is aqua ammonia of... Are updated regularly commonly used method of refrigeration is also called as absorption Flame Photometry is high a vapour absorption system mcq the! Of Degree and Diploma Engineering Students of the vapour compression cycle means, 2 It. Total pressure is 101.3 kPa and 19.91 kPa, respectively Transfer, Vol an important advantage as against the vapour251compression. Refrigeration is vapor compression system hence useful where cost of electricity is.! Schematic sketch of double-effect system is an online portal for the cooling process pair and configuration vice-versa... System ammonia is used is aqua ammonia of … MCQ-VAPOR compression REFRIGERATION-2 Most commonly used method of refrigeration is a!