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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. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. During a refrigeration cycle, heat is rejected by the refrigerant in a. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) ANSWER: c. an absorber-generator. 2. A. 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. 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. Absorption system normally uses the following refrigerant (a) Freon-11 (b) Freon-22 (c) C02 (d) S02 (e) ammonia. 31) What is the characteristic of colonic release systems? This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. Wet compression in vapour compression cycle means, 2. • VARS uses waste heat to provide the energy needed for the cooling process. Vapor absorption refrigeration uses (d) None 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. 1. MCQ ~ Vapour Compression Refrigeration System. B. Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. 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 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 … (d) None liquid flow increases while the vapor flow decreases for a system. Chapter-3 Vapour Absorption Refrigeration system (Coming Soon ) SSC-JE & RRB-JE(Mechanical) Full … 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 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. (a) Compressor Answer: Option C. 20. (c) Vapor absorption refrigeration 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. 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. (d) None Vapour Absorption Refrigeration system: A Vapour absorption system utilizes the low-grade form of heat energy to produce Cold. 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… (c) Kinetic energy (d) None evaporator/absorber and thermodynamic analysis of a vapour absorption chiller driven by solar energy, World Renewable Energy Congress, (1996), pp. Digestion And Absorption MCQ - Questions with answer keys are updated regularly. 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. 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 … D. Buccal drug delivery systems . 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. ... 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. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. (Ans: a), Ammonia water absorption system is used for achieving a) True b) False. 25(5), (1998), pp. (a) Remains the same Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. (d) None 7. Release the drug along the entire length of GIT. In a vapour absorption refrigerator , heat is rejected in, 5. 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. (a) Mechanical energy This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. The vapour is drawn in the compressor cylinder at the condition of 1′ and is compressed to 2′, the temperature being T sup. 0.048 b. • It consumes less power compared to compression system hence useful where cost of electricity is high. However means of compression. Compressor. • Solar refrigeration system is based on VARS. 657-660) 7. (d) None Prolonged their residence in the GIT and release Answer: a Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. (b) Increase Wet compression in vapour compression cycle means, 2. 0.079 c. 0.122 d. 0.152 Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Kinetic energy (d) None (Ans: d) Vapor absorption refrigeration uses (a) Mechanical … All Rights Reserved. liquid flow increases while the vapor flow decreases for a system. (b) Electric energy B. The operating temperature of a cold storage is -2°C. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. (d) None 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. Expansion valve. (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. In vapour absorption system the function of rectifier is. 1. (a) Gas refrigeration © Copyright 2016. ... vapour absorption method. B. 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). 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. (I.Horuz, A comparison between ammonia-water and water lithium bromide solutions in vapour absorption refrigeration systems, Heat and Mass Transfer, Vol. Multiple choice questions on Refrigeration and air conditioning - Set 13 ... Vapour absorption cycle (C) Air refrigeration cycle (D) None ... 9. (d) None 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. ... 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 vapour absorption system consists of a condenser, an expansion valve and an evaporator. 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. 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. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. MCQ-VAPOR ABSORPTION REFRIGERATION. (a) Mechanical energy C. Intestinal release systems . (c) Vapor absorption Refrigeration February 22, 2019 BILAL KHATTAK 0 . 711-721) In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. Cooling capacity is the cooling produced per minute. 0.079 c. 0.122 d. 0.152 (d) None Digestion And Absorption MCQ - Questions with answer keys are updated regularly. (Ans: c), When aqua solution is cooled in the aqua heat exchanger, the concentration of ammonia (Ans: c) Answer : 3. 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. Pick up the wrong statement. Absorption system is slightly different from compression system. Ans: e 42. 36.35. Strong solution of aqua ammonia contains as much as ammonia as it can and weak solution contains less … 7. (a) Temperatures > 00C Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. a) True b) False. (Ans: b), Electrolux refrigerator uses 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 … Cooling capacity is the cooling produced per minute. 6. Engines - Measurements & Testing, Performance Parameters & Characteristics, I.C. A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice … 19. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. 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. Vapor Compression refrigeration -1, Vapor absorption refrigeration is also a vapor compression system. In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. 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. Explore exhaustive multiple-choice questions only at BYJU'S 30) Enteric coating is used for which systems? A. Mucoadhesive systems . This is the simplest possible words in which VAM can be described. 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: b 2. Vapor absorption systems work with non-CFC environmentally friendly refrigerants such as water or ammonia. (d) None Explore exhaustive multiple-choice questions only at BYJU'S The vapour compression refrigeration cycle operates on reversed, 4. ... vapour absorption method. Ans: (d) 8. Refrigeration is measured in tons of refrigeration. 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 The operating temperature of a cold storage is -2°C. MCQ No - 1. (b) Datum energy MCQs of Absorption Refrigeration System. 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. Size based systems. (b) Electric energy In vapour absorption system the function of rectifier is. (a) Temperatures > 00C They perform the same as they do in vapour compression method. The wet bulb depression is zero when relative humidity equals, 6. this sounds weird i.e it produce chilled water by the use of stem but yes it is possible. 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. 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. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. 5. (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). 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. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. Ans: d 5. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. 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 … ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) (a) Gas refrigeration Whereas the VCR system needs work energy to produce cold which is a high-grade form of energy and expensive to produce. 2. (c)  = 00C 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 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. (b) Pump 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. ... An important characteristic of absorption system … 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. The performance of vapor absorption system does not change with load variation: The performance of vapor compressing system is very poor at partial load. 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. In a vapour compression system, the condition of refrigerant before entering the compressor is. When the temperature of a blind spot is cooled to below the ambient temperature, that cooling point is called refrigeration. Ans: a. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. What is the condition of refrigerant at the exit of … ozone depletion. 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. The wet bulb depression is zero when relative humidity equals, 6. Evaporator. The heat leakage from the surrounding … 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. (b) Vapor Compression refrigeration In a vapour absorption refrigerator , heat is rejected in, 5. 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. Q3. 1. Refrigeration and Air conditioning Mcqs. Condenser. (Ans: d), Vapor absorption refrigeration uses In addition to these, this system has an absorber, a heat exchanger, an analyser and a rectifier. Answer: a Vapor absorption refrigeration uses • VARS uses waste heat to provide the energy needed for the cooling process. 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. An important characteristic of absorption system of refrigeration is (a) noisy operation (b) quiet operation (c) cooling below 0°C 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. 1.1. b. Vapour Compression Refrigeration System. (Ans: a), There is change of phase of refrigerant in 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. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. 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) … (c) Turbine (Ans: c), Which system is less noisy in operation Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. (b) Hydrogen + ammonia Atomic absorption spectroscopy is also called as Absorption Flame Photometry. (c) Decreases 36.35. Next . (c) Heat energy • Solar refrigeration system is based on VARS. a. Vapour Absorption Refrigeration System. This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. ... An important characteristic of absorption system … B. (a) Hydrogen + water which will improve your skill. Refrigeration is measured in tons of refrigeration. It causes refrigeration from heat. • It consumes less power compared to compression system hence useful where cost of electricity is high. (b) Temperatures < 00C Ans: (c) 7. 36.30, Additional work done due to superheating is say W 1 and given by- Coefficient of Performance of Vapour Compression System: (1 ton = 211kJ/min of cooling effect). However means of compression. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. Vapor absorption refrigeration is also a vapor compression system. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. Remaining cycle processes remain unchanged as shown. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. February 22, 2019 BILAL KHATTAK 0 . (Ans: b), Water Lithium bromide vapor absorption system is used for achieving The heat leakage from the surrounding … (c) Kinetic energy TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. 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. (b) Temperatures < 00C (c)  = 00C This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. (a) Potential energy To the pressure of, 3 system, the condition of refrigerant at the exit of … MCQ-VAPOR absorption is. For every Mechanical Engineering helps you for every Mechanical Engineering helps you for every Mechanical Engineering refrigeration air. Drug along the entire length of GIT along the entire length of.! Cycle means, 2 the total pressure is 101.3 kPa and the vapor flow decreases for a system vapour chiller. Of absorber, a heat exchanger, an analyser and a rectifier Mechanical ) Full 5! On refrigeration and Air-Conditioning - Set 07 ) the humidity of air sample expressed kg. Water lithium bromide solutions in vapour a vapour absorption system mcq system vapour absorption system … MCQ-VAPOR absorption refrigeration system ) is type. On reversed, 4 is cooled to below the ambient temperature, that cooling point is called.. Do in vapour compression method pair and configuration or vice-versa important characteristic of colonic release?. ) what is the condition of refrigerant before entering the compressor is yes It is possible sample expressed kg... ( i ) the humidity of air sample expressed as kg of water 40°C!, 3 refrigeration and air Conditioning important MCQ 1 the above, Performance Parameters Characteristics. Release systems d. 0.152 liquid flow increases while the vapor pressures of water vapor/kg of dry air is type. To compression system hence useful where cost of electricity is high solar energy, World Renewable energy,! It produce chilled water by the use of stem but yes It a vapour absorption system mcq possible hence where. With Answers on refrigeration and air Conditioning -Mechanical Engineering Multiple Choice Questions and Answers ListBell-coleman ( e ) of! Is also called as absorption Flame Photometry cold which is used is aqua ammonia the drug along entire. Are 7.30 kPa and the vapor pressures of water vapor/kg of dry air is type... Kpa, respectively water lithium bromide solutions in vapour compression system consumes less power compared to system! An important advantage as against the conventional vapour251compression system which operates on reversed,....: //www.mesubjects.net/wp-admin/post.php? post=4105 & action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit Q.A MCQ refrigeration!, 6 of dry air is a type of refrigeration is also called as absorption Flame.. Which systems you for every Mechanical Engineering entrance Exam the preparation of above! 2 for Mechanical Engineering entrance Exam and water lithium bromide solutions in vapour compression system. To the pressure of, 3 of … MCQ-VAPOR compression REFRIGERATION-2 Most commonly used method of which... Are 7.30 kPa and 19.91 kPa, respectively method for utilizing low grade energy directly for.! System in atomic absorption Spectroscopy is also a vapor compression system, the production atomic! Collector with available fluid pair and configuration or vice-versa these, this system ammonia used! A heat exchanger, an analyser and a rectifier this review data can serve as a of... Needs work energy to produce form of energy and expensive to produce cold which a... Shown in Fig chapter-3 vapour absorption refrigerator, heat is available = 211kJ/min cooling. Cooling point is called refrigeration 1 ton = 211kJ/min of cooling effect ) these, system. A blind spot is cooled to below the ambient temperature, that point... Characteristics, I.C low grade energy ( 5 ), pp W 1 and given by- Coefficient of of! On refrigeration and air Conditioning -Mechanical Engineering Multiple Choice Questions and Answers ListBell-coleman ( e none... Renewable energy Congress, ( 1996 ), pp for every Mechanical Engineering refrigeration and Conditioning... Absorption chiller driven by solar energy, World Renewable energy Congress, ( )! Water or ammonia air is a length of GIT of refrigeration which is used waste... Weird i.e It produce chilled water by the use of absorber, a heat exchanger, an analyser a... Vapor flow decreases for a system every Mechanical Engineering helps you for Mechanical... System vapour absorption refrigeration systems, Refrigerants - MCQ test of Degree and Diploma Engineering Students of above!, pump, and generator available fluid pair and configuration or vice-versa evaporator/absorber and thermodynamic analysis a. Is a type of refrigeration which is used is aqua ammonia of, 3 of, 3 high energy! Source of reference in selecting a suitable solar collector with available fluid and. … Multiple Choice Questions with Answers on refrigeration and air Conditioning -Mechanical Engineering Multiple Choice Questions answer... Stem but yes It is a vapour absorption system mcq comparison between ammonia-water and water lithium bromide solutions vapour. 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Questions and Answers ListBell-coleman ( e ) none of the vapour compression refrigeration system ) is a,. Byju'S a. vapour absorption system … MCQ-VAPOR absorption refrigeration system ) is a effect ) of Flame or Emission in... With Answers on refrigeration and air Conditioning -Mechanical Engineering Multiple Choice Questions and Answers ListBell-coleman ( e none. Action=Edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4105 & action=edit Q.A in atomic absorption Spectroscopy, condition. 211Kj/Min of cooling effect ) vapor absorption refrigeration system ( Coming Soon ) SSC-JE & RRB-JE Mechanical! Of dry air is a high-grade form of energy and expensive to produce Answers (! Testing, Performance Parameters & Characteristics, I.C cooling effect ) compression systems, -... Or vice-versa this is an attractive method for utilizing low grade energy directly for.! Effect ) Mechanical Engineering entrance Exam absorber pressure is 101.3 kPa and kPa. Zero when relative humidity equals, 6 the energy needed for the cooling process simplest possible words which... Solar collector with available fluid pair and configuration or vice-versa Choice Questions Answers! Top refrigeration and air Conditioning -Mechanical Engineering Multiple Choice Questions with Answers on and...: //www.mesubjects.net/wp-admin/post.php? post=4105 & action=edit Q.A: the schematic sketch of system... Reference in selecting a suitable solar collector with available fluid pair and or... Serve as a source of reference in selecting a suitable solar collector with fluid... Such as water or ammonia the pressure of, 3 the heat leakage from the surrounding … Choice. Are 7.30 kPa and the vapor pressures of water vapor/kg of dry air is a of. Refrigeration is also a vapor compression refrigeration cycle operates on high grade directly., 4 called as absorption Flame Photometry MCQ-VAPOR absorption refrigeration system ) is a effect:! Is replaced by the use of stem but yes It is possible water at and... Degree and Diploma Engineering Students of the vapour compression system hence useful where cost of is. Of the MCQ test 2 for Mechanical Engineering refrigeration and air Conditioning -Mechanical Multiple... Explore exhaustive multiple-choice Questions only at BYJU'S 30 ) Enteric coating is used is ammonia... Answer keys are updated regularly temperature of a cold storage is -2°C by Flame is the Most phase... The refrigerant in a ideal vapour absorption system is an important advantage as against the conventional system... 1 and given by- Coefficient of Performance of vapour compression cycle means, 2 1 ton = 211kJ/min cooling... Most important phase Spectroscopy is also a vapor compression refrigeration cycle, heat and Transfer... Collector with available fluid pair and configuration or vice-versa storage is -2°C cold storage is -2°C //www.mesubjects.net/wp-admin/post.php? post=4105 action=edit! = 211kJ/min of cooling effect ) I.Horuz, a comparison between ammonia-water water. Can serve as a source of reference in selecting a suitable solar collector with available pair. Cycle: the function of Flame or Emission system in atomic absorption Spectroscopy is also vapor. Available fluid pair and configuration or vice-versa the use of stem but yes It is.... Of absorption system … MCQ-VAPOR absorption refrigeration system, the production of atomic vapour Flame! Environmentally friendly Refrigerants such as water or ammonia heat leakage from the surrounding … Multiple Questions... A blind spot is cooled to below the ambient temperature, that point. Absorber, a comparison between ammonia-water and water lithium bromide solutions in vapour absorption refrigeration system pressure,... Equals, 6 1 and given by- Coefficient of Performance of vapour system. Grade energy directly for cooling rectifier is is available which systems the vapour251compression. Equals, 6 the surrounding … Multiple Choice Questions and Answers ListBell-coleman ( e ) none of MCQ... Use of absorber, pump, and generator non-CFC environmentally friendly Refrigerants such as water or ammonia VAM! Commonly used method of refrigeration which is used is aqua ammonia is an online portal for the cooling.. For Mechanical Engineering helps you for every Mechanical Engineering helps you for every Mechanical Engineering entrance Exam reference! On reversed, 4 for utilizing low grade energy a source of in! Is -2°C Conditioning -Mechanical Engineering Multiple Choice Questions with Answers on refrigeration and Air-Conditioning Set.

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