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