The lithium bromide absorption refrigeration system uses a solution of lithium bromide in water. In a lithium bromide absorption refrigeration system. D None of these. In a lithium bromide absorption refrigeration system (A) Lithium bromide is used as a refrigerant and water as an absorbent (B) Water is used as a refrigerant and lithium bromide as an absorbent (C) Ammonia is used as a refrigerant and lithium bromide as an absorbent (D) None of the above Instead they use water as the refrigerant, and this is mixed with either ammonia or Lithium Bromide. To get more questions visit other sections. None of the above, A. Electrolux refrigerator, A. Lithium Bromide Absorption Unit Water is used as a refrigerant in the lithium bromide absorption cycle. comprises of all the processes in the vapor compression refrigeration system like compression A system in which a secondary fluid absorbs the refrigerant, releasing heat, then releases the refrigerant and reabsorbs the heat. Figure 2-38 is a schematic representation of an absorption refrigerated inlet system for the gas turbine. A. Lithium bromide is used as a refrigerant and water as an absorbent. The influence of operating temperature on the thermal loads of components, COPc (Carnot Coefficient of Performance), COPE (Enthalpy based Coefficient of Performance) and efficiency ratio (η) is studied. A simple absorption refrigeration system common in large commercial plants uses a solution of lithium bromide or lithium chloride salt and water. In this study, the effects of critical operational constraints on the operational domain of a double-effect lithium bromide/water absorption refrigeration system and its performance were investigated. 57 In a lithium bromide absorption refrigeration system A Lithium bromide is used as a refrigerant and water as an absorbent. The Li-Br solution has a strong affinity for water vapour because of its very low vapour pressure. @article{osti_638420, title = {A comparison between ammonia-water and water-lithium bromide solutions in vapor absorption refrigeration systems}, author = {Horuz, I}, abstractNote = {A Vapor Absorption Refrigeration (VAR) System is similar to a Vapor Compression Refrigeration (VCR) System. Ammonia or water is used as the vapor in commercial absorption cycle systems, and water or lithium bromide is the absorber. The lithium bromide solution has a strong affinity for water vapour because of its very low vapour pressure. In both systems the required refrigeration is provided by refrigerants vaporizing in the evaporator. 3.72 kW, C. Ammonia vapour goes into solution, B. the last 5 years. Vapour absorption refrigeration systems using water-lithium bromide pair are extensively used in large capacity air conditioning systems. An interesting point to note about absorption chillers is that they don’t use conventional refrigerants. Water is being used as refrigerant whereas Li-Br is a highly hydroscopic salt, used as absorbent. It should be noted that the refrigerant in the water-lithium bromide system is water In a water-lithium bromide vapor absorption refrigeration system, water is used as the refrigerant while lithium bromide (Li Br) is used as the absorbent. The following are the two principles that form the basis for the lithium bromide absorption refrigeration cycle: 1. In a lithium bromide absorption refrigeration system. Explanation are given for understanding. The working temperature of the generator, adiabatic absorber, condenser, evaporator, the cooling capacity of the system, and the A Water and water . Refrigeration & Air-Conditioning MCQ with detailed explanation for interview, entrance and competitive exams. Such systems can cool the inlet air to 50°F (10°C). 5. Vapour compression, B. Ammonia is used as a refrigerant and lithium bromide as an absorbent, D. 26°C DBT and 60% RH, A. A. Lithium bromide is used as a refrigerant and water as an absorbent, B. 6. = Bypass factor), The undesirable property of a refrigerant is, The desirable property of a refrigerant is, Related Questions on Refrigeration and Air Conditioning, More Related Questions on Refrigeration and Air Conditioning. 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. In these systems water is used as refrigerant and a solution of lithium bromide in water is used as absorbent. it is having lot more of advantages like except for two small centrifugal pumps, there are no moving parts so less number of moving parts A. Lithium bromide is used as a refrigerant and water as an absorbent B. Weak solution mixes with strong solution. Water is used as a refrigerant and lithium bromide as an absorbent, C. Ammonia is used as a refrigerant and lithium bromide as an absorbent, In case of sensible heating of air, the coil efficiency is given by (where B.P.F. 18.6 kW, A. 14. Schematic diagram of a LiBr/water (lithium–bromide/water) absorption refrigeration system equipped with an adiabatic absorber [4]. In the absorber, the lithium bromide absorbs the water refrigerant, creating a solution of water and lithium bromide. In that case absorption systems … For this analysis a typical house is modelled for a full year. B Water is used as a refrigerant and lithium bromide as an absorbent. Water is used as a refrigerant and lithium bromide as an absorbent C. Ammonia is used as a refrigerant and lithium bromide as an absorbent D. None of the above. In the absorber, the lithium bromide absorbs the water refrigerant, creating a solution of water and lithium bromide. The concentration of Lithium Bromide in an absorption refrigerating system will change while a) Going through the expansion valve b) Going through the suction valve c) Cooling through the heat exchanger d) Absorbing water vapour in the absorber e) going through the discharge valve Water is used as a refrigerant and lithium bromide as an absorbent, C. In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively . Figure 15.2 shows the water-lithium bromide based absorption refrigeration system on Dühringplot. Water under low pressure is evaporated from the coils that are to be chilled. 1.1 Single Effect Lithium Bromide (LiBr) - Water Cooling The single effect absorption technology provides a peak cooling coefficient of performance (COP) of approximately 0.7 and operates with heat input temperatures in the range of 80°C to 120°C. Refrigeration systems, the lithium bromide absorption Unit water is used as refrigerant. 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