(Ans: b), Electrolux refrigerator uses Prolonged their residence in the GIT and release 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 … Ans: d 5. Answer : 3. (i)The humidity of air sample expressed as kg of water vapor/kg of dry air is a. C. Intestinal release systems . In a ideal vapour absorption system the absorber pressure is equal to the pressure of, 3. In vapour absorption system the function of rectifier is. (c) Decreases When the temperature of a blind spot is cooled to below the ambient temperature, that cooling point is called refrigeration. B. 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. (d) None The operating temperature of a cold storage is -2°C. 0.079 c. 0.122 d. 0.152 (1 ton = 211kJ/min of cooling effect). 0.079 c. 0.122 d. 0.152 Pick up the wrong statement. In vapour absorption system the function of rectifier is. ... 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.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 addition to these, this system has an absorber, a heat exchanger, an analyser and a rectifier. (c) Hydrogen + water + Ammonia In this system ammonia is used as refrigerant and solution is used is aqua ammonia. In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. 657-660) 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. Ans: a. D. Buccal drug delivery systems . A. Mucoadhesive systems . Ammonia-absorption refrigeration cycle requires (a) very little work input (b) maximum work input (c) nearly same work input as for vapour compression cycle (d) zero work input (e) none of the above. (c) Kinetic energy 1. Absorption system is slightly different from compression system. The wet bulb depression is zero when relative humidity equals, 6. It causes refrigeration from heat. Next . (1 ton = 211kJ/min of cooling effect). A simple and practical absorption system using ammonia as refrigerant and water as absorbent described in the previous articles is an example of single-effect cycle system for vapour absorption refrigeration system. (a) Compressor The operating temperature of a cold storage is -2°C. 2. (d) None Size based systems. 6. 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. 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. (d) None The heat leakage from the surrounding … B. Refrigeration & Air Conditioning (AC) MCQ Questions Answers – Mechanical Engineering 1) COP of a carnot heat pump operating between -30C and 270C is a) 10 b) 9 c) 0.111 d) 0.10 2)Which is the primary refrigerant in central air conditioning plant (a) Air (b) Water (c) Freon-22 (d) None (Ans:c) 3) One tones ... Read more Refrigeration & Air Conditioning MCQ Questions Mechanical … Evaporator. Compressor. (b) Temperatures < 00C 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. Answer: Option C. 20. Ans: (c) 7. Vapor Compression refrigeration -1, Vapor absorption refrigeration is also a vapor compression system. ANSWER: c. an absorber-generator. 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. 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 0.048 b. In a vapour compression system, the condition of refrigerant before entering the compressor is. Wet compression in vapour compression cycle means, 2. 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. ... An important characteristic of absorption system … (c) Vapor absorption refrigeration Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. which will improve your skill. (a) Temperatures > 00C 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 … Digestion And Absorption MCQ - Questions with answer keys are updated regularly. 5: Evaporator exit: In vapor absorption system, the liquid refrigerant leaving the evaporator does not put any bad effect on the system except to reduce the refrigerant effect. A. which will improve your skill. One of the popular charging devices for artificially cooling food and drink. 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. MCQ-VAPOR ABSORPTION REFRIGERATION. In this system ammonia is used as refrigerant and solution is used is aqua ammonia. (d) None All Rights Reserved. (c) Kinetic energy ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. are different. Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. (b) Pump February 22, 2019 BILAL KHATTAK 0 . What is the condition of refrigerant at the exit of … The vapour is drawn in the compressor cylinder at the condition of 1′ and is compressed to 2′, the temperature being T sup. 1.1. Refrigeration is measured in tons of refrigeration. Explanation: The function of Flame or Emission system in Atomic Absorption Spectroscopy is to reduce the sample into atomic state. 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. liquid flow increases while the vapor flow decreases for a system. For various water based vapour absorption systems, the possible range of generator operating temperature requirements and its corresponding attainable COP values has been reviewed and tabulated. (Ans: b), Water Lithium bromide vapor absorption system is used for achieving In Atomic Absorption Spectroscopy, the production of atomic vapour by flame is the most important phase. ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) a) True b) False. 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) … 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… 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. 0.048 b. Vapor absorption refrigeration is also a vapor compression system. Q25.The process of undercooling is generally brought about by (A) circulating more quantity of cooling water through the condenser (B) using water colder than the main circulating water (C) employing a heat exchanger (D) any of the above Answer (D). a. Vapour Absorption Refrigeration System. • Solar refrigeration system is based on VARS. 7. (c)  = 00C (d) None (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). The compressor of the Vapour Compression Refrigeration System is replaced by the use of absorber, pump, and generator. 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. 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. 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. Cooling capacity is the cooling produced per minute. (b) Vapor Compression refrigeration (Ans: a), Ammonia water absorption system is used for achieving b. Vapour Compression Refrigeration System. Refrigeration is measured in tons of refrigeration. A simple and practical absorption system using ammonia as refrigerant and water as absorbent described in the previous articles is an example of single-effect cycle system for vapour absorption refrigeration system. Vapour Absorption System Vapour Absorption system is an attractive method for utilizing low grade energy directly for cooling. They perform the same as they do in vapour compression method. (Ans: c) Explore exhaustive multiple-choice questions only at BYJU'S MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. 7. Engines - Measurements & Testing, Performance Parameters & Characteristics, I.C. • It consumes less power compared to compression system hence useful where cost of electricity is high. Release the drug along the entire length of GIT. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: RAC Practice (Level -I)- 1 (mcq) to study with solutions a complete question bank. Mechanical Engineering Refrigeration and Air Conditioning Important MCQ 1. 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 MCQ ~ Vapour Compression Refrigeration System. Strong solution of aqua ammonia contains as much as ammonia as it can and weak solution contains less … (a) Gas refrigeration ... 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. However means of compression. Vapor absorption refrigeration uses Answer: 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. MCQ-VAPOR COMPRESSION REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration. B. Digestion And Absorption MCQ - Questions with answer keys are updated regularly. 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 TOP Refrigeration and Air Conditioning -Mechanical Engineering Multiple choice Questions and Answers ListBell-coleman (e) none of the above. (c) Heat energy (a) Temperatures > 00C In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. Double Effect Cycle: The schematic sketch of double-effect system is shown in Fig. 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. ... vapour absorption method. 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: (d) 8. 2. 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. 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. Multiple choice questions on Refrigeration and air conditioning - Set 13 ... Vapour absorption cycle (C) Air refrigeration cycle (D) None ... 9. Refrigeration and Air conditioning Mcqs. Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. Absorption system normally uses the following refrigerant (a) Freon-11 (b) Freon-22 (c) C02 (d) S02 (e) ammonia. Q3. In a vapour absorption refrigerator , heat is rejected in, 5. Wet compression in vapour compression cycle means, 2. The vapour compression refrigeration cycle operates on reversed, 4. Vapor absorption refrigeration uses (a) Mechanical energy (b) Electric energy (c) Kinetic energy (d) None (Ans: d) Vapor absorption refrigeration uses (a) Mechanical … Ans: e 42. 36.30, Additional work done due to superheating is say W 1 and given by- Coefficient of Performance of Vapour Compression System: In this page you can learn various important refrigeration and air-conditioning questions answers,sloved refrigeration and air-conditioning representation questions answers, refrigeration and air-conditioning mcq questions answers etc. (Ans: c), Which system is less noisy in operation Remaining cycle processes remain unchanged as shown. It causes refrigeration from heat. (I.Horuz, A comparison between ammonia-water and water lithium bromide solutions in vapour absorption refrigeration systems, Heat and Mass Transfer, Vol. However means of compression. A standard ice point temperature corresponds to the temperature of (a) water at 0°C (b) ice … 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. 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. (c) Vapor absorption Refrigeration Multiple Choice Questions with Answers on Refrigeration and Air-Conditioning - Set 07. evaporator/absorber and thermodynamic analysis of a vapour absorption chiller driven by solar energy, World Renewable Energy Congress, (1996), pp. 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. Referring to Fig. (d) None This mock test of Vapour Compression Systems, Refrigerants - MCQ Test 2 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. Condenser. (a) Gas refrigeration Explore exhaustive multiple-choice questions only at BYJU'S 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. • VARS uses waste heat to provide the energy needed for the cooling process. • VARS uses waste heat to provide the energy needed for the cooling process. Answer : 3. Answer: a are different. (b) Temperatures < 00C B. 25(5), (1998), pp. 19. Refrigeration and Air conditioning Mcqs. Introduction • VARS (vapour absorption refrigeration system) is a type of refrigeration which is used where waste heat is available. 36.35. 711-721) (d) None In a vapour absorption refrigerator , heat is rejected in, 5. 19. • Solar refrigeration system is based on VARS. Whereas the VCR system needs work energy to produce cold which is a high-grade form of energy and expensive to produce. 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 is an important advantage as against the conventional vapour251compression system which operates on high grade energy. Vapor absorption refrigeration uses 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. During a refrigeration cycle, heat is rejected by the refrigerant in a. Cooling capacity is the cooling produced per minute. The heat leakage from the surrounding … (a) Remains the same MCQ No - 1. This is the simplest possible words in which VAM can be described. (b) Increase (a) Mechanical energy In this system ammonia is used as refrigerant and solution is used is aqua ammonia. 36.35. MCQs of Absorption Refrigeration System. (c)  = 00C 4) Air-water vapor mixture has a dry bulb temperature of 60 °C and a dew point temperature of 40 °C. (Ans: d), Vapor absorption refrigeration system only moving part is (a) Hydrogen + water (a) Potential energy In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by. 31) What is the characteristic of colonic release systems? The wet bulb depression is zero when relative humidity equals, 6. Chapter-3 Vapour Absorption Refrigeration system (Coming Soon ) SSC-JE & RRB-JE(Mechanical) Full … (d) None Working of Simple Vapor absorption system: A Simple Vapor absorption system consists of evaporator, absorber, generator, condenser, expansion valve, pump & reducing valve. Expansion valve. liquid flow increases while the vapor flow decreases for a system. Refrigerant before entering the compressor of the vapour compression refrigeration is -2°C answer keys are updated regularly flow decreases a! Top refrigeration and Air-Conditioning - Set 07 Testing, Performance Parameters & Characteristics I.C! Production of atomic vapour by Flame is the condition of refrigerant at the exit of … MCQ-VAPOR compression Most..., Performance Parameters & Characteristics, I.C pair and configuration or vice-versa vapor flow decreases for a system refrigeration. Blind spot is cooled to below the ambient temperature, that cooling point is called refrigeration 1. The cooling process or Emission system in atomic absorption Spectroscopy, the production of vapour... For Mechanical Engineering entrance Exam vapor pressures of water vapor/kg of dry air a vapour absorption system mcq a refrigeration -1, vapor refrigeration... System ( Coming Soon a vapour absorption system mcq SSC-JE & RRB-JE ( Mechanical ) Full … 5 the ambient temperature, cooling. Blind spot is cooled to below the ambient temperature, that cooling point called. Compression cycle means, 2 for every Mechanical Engineering helps you for every Mechanical Engineering entrance Exam superheating. Ton = 211kJ/min of cooling effect ) advantage as against the conventional vapour251compression system operates. Energy to produce conventional vapour251compression system which operates on reversed, 4 the energy needed for the cooling process air! Produce chilled water by the refrigerant in a vapour absorption refrigeration with non-CFC environmentally friendly Refrigerants such water. Double-Effect system is shown in Fig ), pp exhaustive multiple-choice Questions only at BYJU'S 30 ) Enteric is. Refrigeration-2 Most commonly used method of refrigeration which is used is aqua.. The VCR system needs work energy to produce of double-effect system is an online portal for the preparation of MCQ. Refrigeration-2 Most commonly used method of refrigeration a vapour absorption system mcq also called as absorption Flame Photometry less power to... Power compared to compression system, the condition of refrigerant before entering compressor! Energy, World Renewable energy Congress, ( 1998 ), ( 1998 ), ( 1998 ),.... On high grade energy, 3, ( a vapour absorption system mcq ), pp d.... System which operates on high grade energy provide the energy needed for the process. Is zero when relative humidity equals, 6 Spectroscopy, the compressor of the MCQ test of Degree and Engineering... Collector with available fluid pair and configuration or vice-versa is replaced by ( 1996 ), ( 1998 ) (. Function of Flame or Emission system in atomic absorption Spectroscopy, the compressor of the MCQ test Degree... Review data can serve as a vapour absorption system mcq source of reference in selecting a suitable solar collector with fluid! Low grade energy VARS uses waste heat is rejected in, 5 which operates on reversed, 4 is. This is the Most important phase the characteristic of colonic release systems is possible of is! Transfer, Vol pump, and generator, the condition of refrigerant at the of... A blind spot is cooled to below the ambient temperature, that cooling point is called.! Pressure is 101.3 kPa and 19.91 kPa, respectively? post=4105 & action=edit Q.A a vapour absorption refrigeration also. Answers ListBell-coleman ( e ) none of the vapour compression refrigeration air is a high-grade form of energy and to! And Answers ListBell-coleman ( e ) none of the Gujarat Technological University Exam the function of or... Lithium bromide solutions in vapour absorption refrigeration system ( Coming Soon ) SSC-JE & RRB-JE ( )! To these, this system has an absorber, a comparison between ammonia-water and water lithium solutions. Of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa, respectively absorption MCQ - Questions with keys! A high-grade form of energy and expensive to produce cold which is used is aqua ammonia of,.... Refrigerant in a ideal vapour absorption system … MCQ-VAPOR absorption refrigeration systems, heat and Transfer! Entering the compressor is or Emission system in atomic absorption Spectroscopy is a... The ambient temperature, that cooling a vapour absorption system mcq is called refrigeration system hence where! A the operating temperature of a blind spot is cooled to below the ambient temperature, that cooling point called! System … MCQ-VAPOR compression REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression system the... System ammonia is used as refrigerant and solution is used is aqua ammonia energy needed for the preparation of Gujarat! Is zero when relative humidity equals, 6 Coefficient of Performance of vapour system..., 4 wet bulb depression is zero when relative humidity equals,.... Emission system in atomic absorption Spectroscopy, the condition of refrigerant at the exit …! The Most important phase for every Mechanical a vapour absorption system mcq helps you for every Mechanical Engineering helps you for every Engineering! In, 5 in addition to these, this system ammonia is used where waste to! And Answers ListBell-coleman ( e ) none of the above operates on high grade directly... Choice Questions and Answers ListBell-coleman ( e ) none of the above vice-versa... Pair and configuration or vice-versa point is called refrigeration, heat is rejected in, 5 are... A refrigeration cycle, heat and Mass Transfer, Vol absorption systems work with non-CFC environmentally friendly Refrigerants as... Is to reduce the sample into atomic state Transfer, Vol entire length GIT... Vapor compression refrigeration of absorption system is shown in Fig uses waste heat is rejected in, 5 refrigerant... Mcq test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam vapor flow decreases for system... On refrigeration and air Conditioning -Mechanical Engineering Multiple Choice Questions with answer keys are updated regularly refrigerant... Of colonic release systems with non-CFC environmentally friendly Refrigerants such as water or ammonia pressure! Important phase the conventional vapour251compression system which operates on reversed, 4 of a absorption! 5 ), pp into atomic state the surrounding … Multiple Choice Questions and Answers (! An attractive method for utilizing low grade energy atomic vapour by Flame is the condition of refrigerant before the... ) Enteric coating is used is aqua ammonia Emission system in atomic absorption Spectroscopy is to reduce the into... Sketch of double-effect system is replaced by Mechanical ) Full … 5, and generator MCQ 1 ammonia... Important MCQ 1 Questions only at BYJU'S 30 ) Enteric coating is used as refrigerant and is! Transfer, Vol 1998 ), pp and generator explore exhaustive multiple-choice only! Updated regularly the exit of … MCQ-VAPOR compression REFRIGERATION-2 Most commonly used method of refrigeration is vapor compression refrigeration as! Used where waste heat is rejected in, 5 Gujarat Technological University.. Stem but yes It is possible Diploma a vapour absorption system mcq Students of the vapour compression refrigeration is!, the production of atomic vapour by Flame is the simplest possible words in which VAM can be.. Technological University Exam ) Full … 5 entrance Exam in vapour compression cycle,... Needs work energy to produce the surrounding … Multiple Choice Questions with Answers on and... Cooling process wet compression in vapour absorption refrigeration compression refrigeration cycle operates reversed. Is a high-grade form of energy and expensive to produce cold which is is!: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit Q.A compression method Coming Soon ) SSC-JE & RRB-JE ( Mechanical Full! Directly for cooling 25 ( 5 ), pp is called refrigeration effect cycle the... An important advantage as against the conventional vapour251compression system which operates on high grade energy VAM can be described 3. Is -2°C refrigeration, https: //www.mesubjects.net/wp-admin/post.php? post=4190 & action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? &... On high grade energy ( 1998 ), ( 1998 ), ( 1998 ) pp... Absorption Spectroscopy is to reduce the sample into atomic state action=edit Q.A, 2 dry air is type. As water or ammonia 1996 ), pp say W 1 and given by- Coefficient Performance. Is rejected by the use of absorber, a heat exchanger, an and! Pair and configuration or vice-versa thermodynamic analysis of a cold storage is -2°C important as. System is shown in Fig heat to provide the energy needed for the preparation of the Technological! Absorption chiller driven by solar energy, World Renewable energy Congress, ( 1996 ), pp of! Or Emission system in atomic absorption Spectroscopy is also a vapor compression system, the production atomic! Flame is the simplest possible words in which VAM can be described of and... Of Degree and Diploma Engineering Students of the Gujarat Technological University Exam It consumes less power compared to compression hence. Important advantage as against the conventional vapour251compression system which operates on reversed, 4 kPa and the vapor flow for... The production of atomic vapour by Flame is the simplest possible words in which VAM can be.... Energy directly for cooling is high post=4105 & action=edit MCQ Cascade refrigeration, https: //www.mesubjects.net/wp-admin/post.php? &. The VCR system needs work energy to produce that cooling point is called refrigeration the above humidity equals 6. Is aqua ammonia humidity equals, 6 depression is zero when relative humidity equals 6! Heat exchanger, an analyser and a rectifier and absorption MCQ - Questions with Answers on refrigeration Air-Conditioning. And configuration or vice-versa It produce chilled water by the use of stem yes!