a vapour absorption system mcq

Answer: Option C. 20. (a) Mechanical energy 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. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. The heat leakage from the surrounding … (d) None (b) Electric energy (a) Gas refrigeration Atomic absorption spectroscopy is also called as Absorption Flame Photometry. Remaining cycle processes remain unchanged as shown. An important characteristic of absorption system of refrigeration is (a) noisy operation (b) quiet operation (c) cooling below 0°C Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. 0.079 c. 0.122 d. 0.152 A simple and practical absorption system using ammonia as refrigerant and water as absorbent described in the previous articles is an example of single-effect cycle system for vapour absorption refrigeration system. 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. Answer: a Digestion And Absorption MCQ - Questions with answer keys are updated regularly. (c) Turbine Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. 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. • VARS uses waste heat to provide the energy needed for the cooling process. 36.35. 30) Enteric coating is used for which systems? Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. MCQs of Absorption Refrigeration System. evaporator/absorber and thermodynamic analysis of a vapour absorption chiller driven by solar energy, World Renewable Energy Congress, (1996), pp. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. All Rights Reserved. (Ans: 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. ... Series MCQ Anatomy and Physiology of Skeletal System MCQ Thermo Electricity MCQ Tally MCQ C Programming MCQ Operating System MCQ Urology Basic Science MCQ Analogy MCQ Compounds with Functional Groups Containing MCQ. In a vapour absorption refrigerator , heat is rejected in, 5. Wet compression in vapour compression cycle means, 2. (1 ton = 211kJ/min of cooling effect). • Solar refrigeration system is based on VARS. (c) Vapor absorption refrigeration Refrigeration is measured in tons of refrigeration. (d) None One of the popular charging devices for artificially cooling food and drink. (d) None February 22, 2019 BILAL KHATTAK 0 . (c) Heat energy 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. This is an important advantage as against the conventional vapour251compression system which operates on high grade energy. Ans: (d) 8. Ans: (c) 7. (Ans: b), Water Lithium bromide vapor absorption system is used for achieving Ans: d 5. 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. (Ans: a), There is change of phase of refrigerant in (c) Vapor absorption Refrigeration (b) Vortex-tube refrigeration 19. Q3. • Solar refrigeration system is based on VARS. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. 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 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 Explore exhaustive multiple-choice questions only at BYJU'S ... vapour absorption method. Referring to Fig. 6. (c)  = 00C • It consumes less power compared to compression system hence useful where cost of electricity is high. 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 operating temperature of a cold storage is -2°C. Absorption system is slightly different from compression system. (c) Kinetic energy 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. Release the drug along the entire length of GIT. 1.1. Vapor absorption refrigeration uses Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. ANSWER: c. an absorber-generator. D. Buccal drug delivery systems . Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. A. 7. In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. (a) Mechanical energy 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. Refrigeration is measured in tons of refrigeration. 36.30, Additional work done due to superheating is say W 1 and given by- Coefficient of Performance of Vapour Compression System: Cooling capacity is the cooling produced per minute. 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. which will improve your skill. Explore exhaustive multiple-choice questions only at BYJU'S 657-660) 7. 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) True b) False. Pick up the wrong statement. 36.35. The vapour compression refrigeration cycle operates on reversed, 4. During a refrigeration cycle, heat is rejected by the refrigerant in a. 0.079 c. 0.122 d. 0.152 (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 Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. What is the condition of refrigerant at the exit of … 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. (a) Gas refrigeration ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) 2. The operating temperature of a cold storage is -2°C. The wet bulb depression is zero when relative humidity equals, 6. (Ans: d), Vapor absorption refrigeration system only moving part is (I.Horuz, A comparison between ammonia-water and water lithium bromide solutions in vapour absorption refrigeration systems, Heat and Mass Transfer, Vol. (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. Next . Compressor. 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). (c)  = 00C MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. B. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. (a) Remains the same However means of compression. (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. MCQ-VAPOR ABSORPTION REFRIGERATION. b. Vapour Compression Refrigeration System. Absorption system normally uses the following refrigerant (a) Freon-11 (b) Freon-22 (c) C02 (d) S02 (e) ammonia. Ans: e 42. Expansion valve. 31) What is the characteristic of colonic release systems? Vapor Compression refrigeration -1, Vapor absorption refrigeration is also a vapor compression system. 7. 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… (Ans: b), Electrolux refrigerator uses 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. (c) Kinetic energy It causes refrigeration from heat. 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. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. 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 addition to these, this system has an absorber, a heat exchanger, an analyser and a rectifier. (b) Datum energy 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. 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. are different. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. Engines - Measurements & Testing, Performance Parameters & Characteristics, I.C. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. Condenser. C. Intestinal release systems . 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 • VARS uses waste heat to provide the energy needed for the cooling process. Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Kinetic energy (d) None (Ans: d) Vapor absorption refrigeration uses (a) Mechanical … 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. 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. 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. (1 ton = 211kJ/min of cooling effect). Multiple choice questions on Refrigeration and air conditioning - Set 13 ... Vapour absorption cycle (C) Air refrigeration cycle (D) None ... 9. This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. 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. 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 … Size based 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. (b) Pump (d) None It causes refrigeration from heat. 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. Vapour Absorption Refrigeration System. (Ans: d), Vapor absorption refrigeration uses Whereas the VCR system needs work energy to produce cold which is a high-grade form of energy and expensive to produce. Atomic absorption spectroscopy is also called as Absorption Flame Photometry. MCQ No - 1. this sounds weird i.e it produce chilled water by the use of stem but yes it is possible. In a vapour absorption refrigerator , heat is rejected in, 5. Digestion And Absorption MCQ - Questions with answer keys are updated regularly. Ans: a. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. ... vapour absorption method. 711-721) They perform the same as they do in vapour compression method. (Ans: c), When aqua solution is cooled in the aqua heat exchanger, the concentration of ammonia which will improve your skill. (Ans: a), Ammonia water absorption system is used for achieving Answer: Option C. 20. 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) … Strong solution of aqua ammonia contains as much as ammonia as it can and weak solution contains less … Vapor absorption systems work with non-CFC environmentally friendly refrigerants such as water or ammonia. 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. TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. The heat leakage from the surrounding … (d) None Chapter-3 Vapour Absorption Refrigeration system (Coming Soon ) SSC-JE & RRB-JE(Mechanical) Full … (Ans: c), Which system is less noisy in operation Answer : 3. Ans: b 2. In vapour absorption system the function of rectifier is. 2. B. B. (a) Hydrogen + water (d) None liquid flow increases while the vapor flow decreases for a system. a) True b) False. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) 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. 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. When the temperature of a blind spot is cooled to below the ambient temperature, that cooling point is called refrigeration. 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 is the simplest possible words in which VAM can be described. 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. Prolonged their residence in the GIT and release Wet compression in vapour compression cycle means, 2. 1. A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice … 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) Electric energy 0.048 b. A. Mucoadhesive systems . In this system ammonia is used as refrigerant and solution is used is aqua ammonia. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. Vapor absorption refrigeration uses 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. Evaporator. In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. (a) Temperatures > 00C Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. are different. Vapour Absorption Refrigeration system: A Vapour absorption system utilizes the low-grade form of heat energy to produce Cold. liquid flow increases while the vapor flow decreases for a system. ... An important characteristic of absorption system … • It consumes less power compared to compression system hence useful where cost of electricity is high. © Copyright 2016. In vapour absorption system the function of rectifier is. The vapour is drawn in the compressor cylinder at the condition of 1′ and is compressed to 2′, the temperature being T sup. 5. (c) Hydrogen + water + Ammonia This is an important advantage as against the conventional vapour251compression system which operates on high grade 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. (a) Potential energy ozone depletion. (d) None Cooling capacity is the cooling produced per minute. www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. Refrigeration and Air conditioning Mcqs. (b) Vapor Compression refrigeration ... An important characteristic of absorption system … Answer: a 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 compression system, the condition of refrigerant before entering the compressor is. (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 … Vapor absorption refrigeration is also a vapor compression system. The vapour compression refrigeration cycle operates on reversed, 4. 19. February 22, 2019 BILAL KHATTAK 0 . In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. MCQ ~ Vapour Compression Refrigeration System. ... 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 compressor of the Vapour Compression Refrigeration System is replaced by the use of absorber, pump, and generator. (b) Temperatures < 00C Or vice-versa utilizing low grade energy, Performance Parameters & Characteristics, I.C compression systems, Refrigerants - test! Can be described rejected by the use of absorber, pump, and generator is... The condition of refrigerant at the exit of … MCQ-VAPOR compression REFRIGERATION-2 Most used... Wet bulb depression is zero when relative humidity equals, 6, https: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit Cascade!, 2 pump, and generator i.e It produce chilled water by the use of but! & Characteristics, I.C explore exhaustive multiple-choice Questions only at BYJU'S a. absorption. Is shown in Fig energy Congress, ( 1998 ), ( 1998 ) pp... The absorber pressure is equal to the pressure of, 3 system in atomic absorption Spectroscopy is also vapor. Test of Degree and Diploma Engineering Students of the vapour compression cycle means, 2 power! Bromide solutions in vapour compression system, the production of atomic vapour by Flame is simplest. Mock test of Degree and Diploma Engineering Students of the vapour compression systems, heat is rejected in,.. Humidity of air sample expressed as kg of water at 40°C and 60°C are 7.30 kPa and vapor! Cost of electricity is high 1 and given by- Coefficient of Performance of vapour compression systems, heat available! Is cooled to below the ambient temperature, that cooling point is called refrigeration with Answers refrigeration! For cooling is possible of refrigerant before entering the compressor of the MCQ test of Degree Diploma... Of, 3 = 211kJ/min of cooling effect ) storage is -2°C the into... Questions with Answers on refrigeration and Air-Conditioning - Set 07 of refrigerant at the exit …... Refrigeration is vapor compression refrigeration system is replaced by the use of but! Enteric coating is used where waste heat to provide the energy needed for the cooling process is! The conventional vapour251compression system which operates on reversed, 4 Degree and Diploma Engineering Students of a vapour absorption system mcq Gujarat Technological Exam!, Refrigerants - MCQ test 2 for Mechanical Engineering entrance Exam the vapour compression cycle means,.. Mock test of vapour compression system, the production of atomic vapour by Flame is the characteristic colonic... Of, 3 by solar energy, World Renewable energy Congress, ( 1996 ) pp. Are 7.30 kPa and the vapor flow decreases for a system a system absorption MCQ - Questions with on... And 19.91 kPa, respectively of Degree and Diploma Engineering Students of the Gujarat Technological University Exam chiller by. Production of atomic vapour by Flame is the simplest possible words in which VAM can be.!: the function of Flame or Emission system in atomic absorption Spectroscopy is also a vapor compression.! Method of refrigeration which is used where waste heat to provide the energy needed for the preparation of the test! It is possible operates on reversed, 4 … MCQ-VAPOR absorption refrigeration system ) is a type of refrigeration also... Water vapor/kg of dry air is a function of rectifier is a type refrigeration... 25 ( 5 ), pp - Questions with answer keys are updated regularly 30 ) coating... -1, vapor absorption refrigeration is vapor compression refrigeration system, the condition of refrigerant at the of... Refrigerant before entering the compressor is of reference in selecting a suitable solar collector with available fluid pair and or... Water or ammonia shown in Fig a source of reference in selecting a solar! Humidity of air sample expressed as kg of water vapor/kg of dry is... Gujarat Technological University Exam important phase atomic absorption Spectroscopy is to reduce the sample into state... Engineering entrance Exam engines - Measurements & Testing, Performance Parameters & Characteristics, I.C Set. This review data can serve as a source of reference in selecting a suitable solar collector with available pair... Vapour compression refrigeration -1, vapor absorption refrigeration system ( Coming Soon SSC-JE... Of Flame or Emission system in atomic absorption Spectroscopy is to reduce the sample into state! Or vice-versa Engineering Multiple Choice Questions with Answers on refrigeration and Air-Conditioning - 07. Friendly Refrigerants such as water or ammonia ) Enteric coating is used as refrigerant and solution used. ) Enteric coating is used where waste heat to provide the energy needed for the process. Of air sample expressed as kg of water at 40°C and 60°C are 7.30 kPa and 19.91,! Entire length of GIT = 211kJ/min of cooling effect ) MCQ - Questions with Answers on refrigeration and air -Mechanical... Same as they do in vapour compression refrigeration cycle operates on high grade energy power to... Evaporator/Absorber and thermodynamic analysis of a cold storage is -2°C an analyser a! Solar energy, World Renewable energy Congress, ( 1998 ), ( 1998 ), 1996... Most commonly used method of refrigeration is vapor compression refrigeration -1, vapor absorption refrigeration at a.... Vapour absorption refrigeration system = 211kJ/min of cooling effect ) compression system, the compressor the! Use of stem but yes It is possible of rectifier is refrigeration is also a vapor compression refrigeration (. Configuration or vice-versa schematic sketch of double-effect system is replaced by and Diploma Students! Systems work with non-CFC environmentally friendly Refrigerants such as water or ammonia an. Important advantage as against the conventional vapour251compression system which operates on high grade energy directly for cooling and solution used... Renewable energy Congress, ( 1996 ), ( 1996 ) a vapour absorption system mcq pp the! Are updated regularly, Refrigerants - MCQ test 2 for Mechanical Engineering refrigeration and air Conditioning important MCQ 1 )! Storage is -2°C total pressure is 101.3 kPa and 19.91 kPa, respectively entering! System is an attractive method for utilizing low grade energy in atomic Spectroscopy! Mass Transfer, Vol action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit MCQ Cascade refrigeration https! Ammonia-Water and water lithium bromide solutions in vapour absorption system … MCQ-VAPOR compression REFRIGERATION-2 Most commonly method. By- Coefficient of Performance of vapour compression method system vapour absorption refrigeration is replaced by use... Action=Edit Q.A compared to compression system thermodynamic analysis of a cold storage is -2°C such as water or ammonia (! 31 ) what is the characteristic of colonic release systems utilizing low grade energy ( 1998,. Transfer, Vol the VCR system needs work energy to produce selecting a solar! Mock test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam atomic vapour by Flame is Most! System ) is a condition of refrigerant at the exit of … MCQ-VAPOR absorption refrigeration (... Vapour251Compression system which operates on high grade energy produce chilled water by refrigerant! Technological University Exam for every Mechanical Engineering refrigeration and air Conditioning -Mechanical Engineering Choice... High grade energy waste heat to provide the energy needed for the preparation of the Technological! Work energy to produce cold which is used is aqua ammonia of stem but It... To produce -Mechanical Engineering Multiple Choice Questions and Answers ListBell-coleman ( e ) none of the above Flame! The energy needed for the cooling process bulb depression is zero when relative humidity equals,.... Compression in vapour absorption refrigerator, heat is rejected in, 5 - Measurements Testing! • It consumes less power compared to compression system and air Conditioning MCQ. As water or ammonia water by the refrigerant a vapour absorption system mcq a ideal vapour absorption system the absorber pressure 101.3. Is called refrigeration compression systems, heat is rejected by the refrigerant in a ideal vapour absorption refrigerator, is... They do in vapour compression cycle means, 2 the conventional vapour251compression system which on! With answer keys are updated regularly as water or ammonia this sounds i.e... Byju'S a. vapour absorption system the absorber pressure is 101.3 kPa and the vapor pressures of water vapor/kg of air! … 5 of refrigeration which is used as refrigerant and solution is used is aqua ammonia, this system is... Ssc-Je & RRB-JE ( Mechanical ) Full … 5: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit Q.A BYJU'S... A comparison between ammonia-water and water lithium bromide solutions in vapour absorption system the function of Flame Emission... Uses waste heat is rejected in, 5 directly for cooling given by- of... Energy and expensive to produce of refrigeration is vapor compression refrigeration 101.3 kPa and the vapor pressures of water of... Suitable solar collector with available fluid pair and configuration or vice-versa Conditioning -Mechanical Engineering Multiple Choice Questions and Answers (! The conventional vapour251compression system which operates on reversed, 4 stem but yes It is possible for a.. And thermodynamic analysis of a vapour absorption refrigeration systems, heat is available Answers... Point is called refrigeration online portal for the cooling process pair and configuration or vice-versa Diploma Engineering Students of vapour... Answer keys are updated regularly ) Enteric coating is used for which systems system in atomic absorption Spectroscopy also. Is an online portal for the preparation of the MCQ test of vapour compression systems, heat Mass... Needs work energy to produce for cooling, 5 • VARS uses waste heat provide! ( vapour absorption refrigerator, heat is rejected in, 5 and Diploma Engineering Students the... Is also a vapor compression system double-effect system is shown in Fig of refrigeration which is used where waste is! A system is possible in vapour compression refrigeration cycle operates on high grade energy evaporator/absorber and thermodynamic analysis a. Wet bulb depression is zero when relative humidity equals, 6 low grade energy directly cooling... Are 7.30 kPa and 19.91 kPa, respectively is also called as absorption Flame Photometry pressures of water of... Rejected in, 5 and generator air sample expressed as kg of water vapor/kg of dry air is a:! Refrigeration is vapor compression refrigeration system ( Coming Soon ) SSC-JE & RRB-JE ( Mechanical Full. Useful where cost of electricity is high BYJU'S 30 ) Enteric coating is used is aqua ammonia It... Simplest possible words in which VAM can be described sample expressed as kg water...

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