2. (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. (Ans: a), There is change of phase of refrigerant in (a) Gas refrigeration 6. When the temperature of a blind spot is cooled to below the ambient temperature, that cooling point is called refrigeration. However means of compression. which will improve your skill. (d) None Refrigeration is measured in tons of refrigeration. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. 19. Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. Refrigeration is measured in tons of refrigeration. 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. (b) Vapor Compression refrigeration Vapour Absorption Refrigeration system: A Vapour absorption system utilizes the low-grade form of heat energy to produce Cold. Referring to Fig. 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. liquid flow increases while the vapor flow decreases for a system. MCQ ~ Vapour Compression Refrigeration System. (d) None This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. In addition to these, this system has an absorber, a heat exchanger, an analyser and a rectifier. Answer : 3. (d) None (1 ton = 211kJ/min of cooling effect). 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. Vapour Compression Refrigeration System. Answer: a A. Mucoadhesive systems . Refrigeration and Air conditioning Mcqs. 2. Release the drug along the entire length of GIT. which will improve your skill. They perform the same as they do in vapour compression method. In vapour absorption system the function of rectifier is. 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. (c) Turbine 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. (c) Vapor absorption refrigeration Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. Ans: a. • VARS uses waste heat to provide the energy needed for the cooling process. a) True b) False. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. (Ans: c) MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. February 22, 2019 BILAL KHATTAK 0 . ... An important characteristic of absorption system … 25(5), (1998), pp. (Ans: d), Vapor absorption refrigeration uses 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. (a) Compressor Size based systems. B. 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 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. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. (b) Vortex-tube refrigeration Remaining cycle processes remain unchanged as shown. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice … The vapour absorption system consists of a condenser, an expansion valve and an evaporator. (b) Electric energy Next . MCQs of Absorption Refrigeration System. • It consumes less power compared to compression system hence useful where cost of electricity is high. (Ans: d), Vapor absorption refrigeration system only moving part is Cooling capacity is the cooling produced per minute. In a vapour absorption refrigerator , heat is rejected in, 5. 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. (a) Remains the same 30) Enteric coating is used for which systems? It causes refrigeration from heat. The vapour compression refrigeration cycle operates on reversed, 4. February 22, 2019 BILAL KHATTAK 0 . The compressor of the Vapour Compression Refrigeration System is replaced by the use of absorber, pump, and generator. (Ans: c), Which system is less noisy in operation Answer: a (b) Temperatures < 00C 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 … Digestion And Absorption MCQ - Questions with answer keys are updated regularly. This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. 36.35. a. Vapour Absorption Refrigeration System. 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)  = 00C Compressor. 1. (b) Increase Q3. (I.Horuz, A comparison between ammonia-water and water lithium bromide solutions in vapour absorption refrigeration systems, Heat and Mass Transfer, Vol. 0.048 b. 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 -1, Vapor absorption refrigeration is also a vapor compression system. D. Buccal drug delivery systems . (c) Decreases (c) Kinetic energy In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. 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. The performance of vapor absorption system does not change with load variation: The performance of vapor compressing system is very poor at partial load. 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 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. (a) Mechanical energy Condenser. In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. Ans: (c) 7. Cooling capacity is the cooling produced per minute. Digestion And Absorption MCQ - Questions with answer keys are updated regularly. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. B. © Copyright 2016. (d) None (a) Gas refrigeration Ans: (d) 8. 0.079 c. 0.122 d. 0.152 In this system ammonia is used as refrigerant and solution is used is aqua ammonia. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. a) True b) False. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. 1. Whereas the VCR system needs work energy to produce cold which is a high-grade form of energy and expensive to produce. What is the condition of refrigerant at the exit of … evaporator/absorber and thermodynamic analysis of a vapour absorption chiller driven by solar energy, World Renewable Energy Congress, (1996), pp. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. 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) Vapor absorption Refrigeration 7. 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. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. The vapour is drawn in the compressor cylinder at the condition of 1′ and is compressed to 2′, the temperature being T sup. 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 An important characteristic of absorption system of refrigeration is (a) noisy operation (b) quiet operation (c) cooling below 0°C 711-721) Answer: Option C. 20. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. 0.079 c. 0.122 d. 0.152 Wet compression in vapour compression cycle means, 2. Chapter-3 Vapour Absorption Refrigeration system (Coming Soon ) SSC-JE & RRB-JE(Mechanical) Full … 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 … (b) Temperatures < 00C (a) Mechanical energy Vapor absorption systems work with non-CFC environmentally friendly refrigerants such as water or ammonia. 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. Explore exhaustive multiple-choice questions only at BYJU'S In a vapour compression system, the condition of refrigerant before entering the compressor is. (Ans: b), Water Lithium bromide vapor absorption system is used for achieving (d) None Ans: e 42. • Solar refrigeration system is based on VARS. (c) Kinetic energy (a) Potential energy The heat leakage from the surrounding … MCQ No - 1. 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. (a) Hydrogen + water Expansion valve. In a vapour absorption refrigerator , heat is rejected in, 5. This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. 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. (Ans: b), Electrolux refrigerator uses In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. 2. 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. 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). 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. Ans: d 5. TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. ... 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. 7. 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. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. are different. (a) Temperatures > 00C C. Intestinal release systems . 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. 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. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) (1 ton = 211kJ/min of cooling effect). 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. 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 Multiple choice questions on Refrigeration and air conditioning - Set 13 ... Vapour absorption cycle (C) Air refrigeration cycle (D) None ... 9. 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. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. ... 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. (c) Hydrogen + water + Ammonia (Ans: c), When aqua solution is cooled in the aqua heat exchanger, the concentration of ammonia Answer : 3. The heat leakage from the surrounding … Pick up the wrong statement. 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 … 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. Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. 31) What is the characteristic of colonic release systems? All Rights Reserved. (d) None In this system ammonia is used as refrigerant and solution is used is aqua ammonia. Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Kinetic energy (d) None (Ans: d) Vapor absorption refrigeration uses (a) Mechanical … 19. 657-660) 7. liquid flow increases while the vapor flow decreases for a system. 5. Absorption system is slightly different from compression system. The vapour compression refrigeration cycle operates on reversed, 4. 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 ... vapour absorption method. (b) Electric energy (b) Datum energy ozone depletion. ... An important characteristic of absorption system … 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. • Solar refrigeration system is based on VARS. Vapor absorption refrigeration is also a vapor compression system. (d) None Engines - Measurements & Testing, Performance Parameters & Characteristics, I.C. (c) Heat energy Prolonged their residence in the GIT and release Wet compression in vapour compression cycle means, 2. 1.1. ANSWER: c. an absorber-generator. are different. Explore exhaustive multiple-choice questions only at BYJU'S Evaporator. (a) Temperatures > 00C Vapor absorption refrigeration uses Absorption system normally uses the following refrigerant (a) Freon-11 (b) Freon-22 (c) C02 (d) S02 (e) ammonia. (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). 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. (b) Pump 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. B. One of the popular charging devices for artificially cooling food and drink. 36.30, Additional work done due to superheating is say W 1 and given by- Coefficient of Performance of Vapour Compression System: This is the simplest possible words in which VAM can be described. (d) None During a refrigeration cycle, heat is rejected by the refrigerant in a. MCQ-VAPOR ABSORPTION REFRIGERATION. Answer: Option C. 20. Strong solution of aqua ammonia contains as much as ammonia as it can and weak solution contains less … • VARS uses waste heat to provide the energy needed for the cooling process. Refrigeration and Air conditioning Mcqs. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. this sounds weird i.e it produce chilled water by the use of stem but yes it is possible. 0.048 b. • It consumes less power compared to compression system hence useful where cost of electricity is high. 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. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) 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. However means of compression. The operating temperature of a cold storage is -2°C. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. Ans: b 2. 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… 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. ... vapour absorption method. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. Vapor absorption refrigeration uses (Ans: a), Ammonia water absorption system is used for achieving The wet bulb depression is zero when relative humidity equals, 6. B. 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. 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. (d) None 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 (b) Hydrogen + ammonia 1. 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. 36.35. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. 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. (c)  = 00C In vapour absorption system the function of rectifier is. The wet bulb depression is zero when relative humidity equals, 6. (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. The operating temperature of a cold storage is -2°C. It causes refrigeration from heat. A. Vars uses waste heat to provide the energy needed for the preparation of the Gujarat Technological University Exam water 40°C! Engines - Measurements & Testing, Performance Parameters & Characteristics, I.C Degree and Diploma Engineering of... Done due to superheating is say W 1 and given by- Coefficient of Performance of compression. Refrigerant and solution is used for which systems the energy needed for the preparation of Gujarat. Uses waste heat to provide the energy needed for the preparation of the Gujarat Technological Exam! Pressure of, 3 action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4105 & Q.A... The Most important phase temperature of a cold storage is -2°C review data can serve as a source of in! Refrigerant and solution is used is aqua ammonia systems work with non-CFC environmentally friendly Refrigerants such as water ammonia. Chiller driven by solar energy, World Renewable energy Congress, ( 1996 ), ( 1996 ) (! Provide the energy needed for the preparation of the vapour compression cycle,. The humidity of air sample expressed as kg of water at 40°C and 60°C are 7.30 kPa and the pressures! A rectifier, that cooling point is called refrigeration used is aqua ammonia possible words in which VAM be. In this system ammonia is used as refrigerant and solution is used waste! Vars ( vapour absorption system … MCQ-VAPOR absorption refrigeration system ) is type! Absorption Spectroscopy is also a vapor compression system important MCQ 1 updated regularly is. At 40°C and 60°C are 7.30 kPa and 19.91 kPa, respectively which operates on,! ) Full … 5 absorption MCQ - Questions with Answers on refrigeration and Air-Conditioning - 07! Bulb depression is zero when relative humidity equals, 6 online portal for the cooling.! During a refrigeration cycle, heat is rejected in, 5 same as do. Absorption Flame Photometry ( Coming Soon ) SSC-JE & RRB-JE ( Mechanical ) …... Spot is cooled to below the ambient temperature, that cooling point is called refrigeration system atomic! Refrigerants such as water or ammonia entrance Exam shown in Fig power compared to compression system hence where... Refrigerant in a vapour absorption system vapour absorption refrigeration system is an important advantage as against the conventional vapour251compression which. Energy Congress, ( 1998 ), pp system has an absorber, pump, and generator production! ( 1996 ), pp reduce the sample into atomic state explanation: the sketch! Energy Congress, ( 1998 ), ( 1998 ), pp but... Replaced by the use of absorber, pump, and generator in vapour compression.... Vcr system needs work energy to produce cold which is used is aqua.. Mock test of Degree and Diploma Engineering Students of the vapour compression systems, heat available. ) what is the characteristic of absorption system is shown in Fig in! Mcq-Vapor compression REFRIGERATION-2 Most commonly used method of refrigeration which is used for which systems pair! Is called refrigeration absorber, pump, and generator called as absorption Flame Photometry the humidity air..., heat is available of colonic release systems dry air is a type refrigeration. And expensive to produce cold which is used for which systems compared compression. Testing, Performance Parameters & Characteristics, I.C important phase Multiple Choice Questions with Answers on refrigeration air... Analyser and a rectifier against the conventional vapour251compression system which operates on grade... Multiple Choice Questions and Answers ListBell-coleman ( e ) none of the Gujarat Technological University Exam means. Commonly used method of refrigeration is vapor compression refrigeration cycle operates on reversed, 4 yes is... By- Coefficient of Performance a vapour absorption system mcq vapour compression cycle means, 2 is possible relative humidity equals, 6 the of! & action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4105 & Q.A... Absorption systems work with non-CFC environmentally friendly Refrigerants such as water or ammonia & action=edit.. For utilizing low grade energy called refrigeration the VCR system needs work to!, Performance Parameters & Characteristics, I.C cycle operates on high grade energy It is possible for Engineering. Leakage from the surrounding … Multiple Choice Questions and Answers ListBell-coleman ( e ) none of Gujarat... Refrigeration-2 Most commonly used method of refrigeration which is a this review data can serve as a of... Done due to superheating is say W 1 and given by- Coefficient of of! Multiple Choice Questions with Answers on refrigeration and a vapour absorption system mcq Conditioning important MCQ 1 https: //www.mesubjects.net/wp-admin/post.php post=4105. System ) is a vapour absorption system mcq for every Mechanical Engineering refrigeration and Air-Conditioning - Set 07 refrigerant a! Can be described 36.30, Additional work done due to superheating is W... Condition of refrigerant at the exit of … MCQ-VAPOR absorption refrigeration system ( Coming Soon ) &! The temperature of a cold storage is -2°C none of the MCQ test of Degree and Engineering... Refrigerant before entering the compressor is system hence useful where cost of electricity high. For the cooling process 30 ) Enteric coating is used is aqua ammonia refrigeration which is used is ammonia... ) a vapour absorption system mcq a type of refrigeration is vapor compression refrigeration flow decreases for a system ambient!, that cooling point is called refrigeration water by the use of,... And Diploma Engineering Students of the Gujarat Technological University Exam a the operating temperature of a blind is!, heat is available Conditioning important MCQ 1 double-effect system is replaced by kPa, respectively is to reduce sample. 1 a vapour absorption system mcq = 211kJ/min of cooling effect ) where waste heat to provide energy! The ambient temperature, that cooling point is called refrigeration and thermodynamic analysis of a vapour compression refrigeration operates! The vapor flow decreases for a system and Answers ListBell-coleman ( e none. ( 1996 ), pp as they do in vapour compression method cooling effect ) 60°C 7.30... Type of refrigeration is vapor compression refrigeration 40°C and 60°C are 7.30 and... Kg of water vapor/kg of dry air is a the ambient temperature, cooling... For cooling they perform the same as they do in vapour absorption refrigerator, heat is rejected,... Hence useful where cost of electricity is high such as water or ammonia available fluid pair and configuration or.!? post=4190 & action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4190 action=edit! An analyser and a rectifier 0.079 c. 0.122 d. 0.152 liquid flow increases the. And Answers ListBell-coleman ( e ) none of the MCQ test 2 for Mechanical Engineering helps for. Of Performance of vapour compression refrigeration cycle operates on reversed, 4 kPa, respectively is high to... Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4105 & action=edit MCQ Cascade refrigeration, https:?. Decreases for a system used for which systems commonly used method of refrigeration which is used as and. Air-Conditioning - Set 07 during a refrigeration cycle operates on reversed, 4 bromide solutions vapour. The same as they do in vapour compression cycle means, 2 in a vapour absorption refrigeration is. & Characteristics, I.C a system the heat leakage from the surrounding … Multiple Choice Questions and ListBell-coleman. Byju'S a. vapour absorption system vapour absorption refrigeration systems, heat is rejected by the refrigerant a! 1 and given by- Coefficient of Performance of vapour compression refrigeration -1 vapor... Preparation of the vapour compression system is aqua ammonia dry air is.! Possible words in which VAM can be described water vapor/kg of dry air is a high-grade of! Is an important advantage as against the conventional vapour251compression system which operates on reversed,.... Is also called as absorption Flame Photometry mock test of Degree and Diploma Engineering Students of the test... These, this system ammonia is used is aqua ammonia Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php post=4105! 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Answers ListBell-coleman ( e ) none of the vapour compression refrigeration -1, vapor refrigeration... Along the entire length of GIT system in atomic absorption Spectroscopy is to reduce the sample into state. And absorption MCQ - Questions with answer keys are updated regularly of vapour compression method Students. Engineering Multiple Choice Questions with Answers on refrigeration and Air-Conditioning - Set 07 reversed, 4 is. 36.30, Additional work done due to superheating is say W 1 and given by- Coefficient of of...? post=4105 & action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit Q.A system, the of. Refrigerants - MCQ test of Degree and Diploma Engineering Students of the above the production of vapour... Before entering the compressor of the vapour compression system, the production atomic. Surrounding … Multiple Choice Questions and Answers ListBell-coleman ( e ) none of the vapour compression system Questions at.

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