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Aspect ratio of rectangular duct is 7 and its equivalent circular duct diameter is 100 mm. The ratio of longer side of rectangular duct to the diameter of circular duct is 2.6.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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0.004 kg of water vapour per kg of atmospheric air is removed and temperature of air after removing the water vapours becomes
refrigeration and air conditioning updated 4.2 years ago by teamques10 ★ 70k
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Thermal Exchange of Body with Environment
refrigeration and air conditioning updated 4.2 years ago by sonali.ubale942 • 20
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Numericals on RAC-1
refrigeration and air conditioning updated 4.1 years ago by teamques10 ★ 70k
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Explain the need for aircraft air refrigeration.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Determine for the ideal cycle:$ \ \ \ \ $ i. C.O.P. $ \ \ $ ii. Mass of air circulated per min $ \ \ $ iii. Theoretical piston displacement of compressor and expander $ \ \ $ iv. Net power per TR
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Short note: Aircraft air refrigeration system- types and explain any one type in brief with sketch.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Define ton of refrigeration. Name the different types of systems used for cooling of aircraft cabin.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Explain a Boot strap type aircraft refrigeration system with a neat schematic diagram and T-S diagram.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Explain working of simple air refrigeration cycle and represent the same on T-S chart.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Discuss the below statement $''$Refrigeration can be produced either by expansion of a gas or throttling of gas$''$.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Draw the reversed carnot cycle on P-V and T-S diagrams and find out the expression for COP of the cycle. Discuss the factors which affect the COP of the cycle.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Determine ideal efficiency of carnot engine and ideal COP of carnot refrigerator
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Derive the COP equation for the Carnot refrigeration cycle. Also write the practical difficulties with Carnot refrigeration system.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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COP of the system.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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25k
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Name the different types of air refrigeration systems used for the cooling of the aircraft cabin. Draw bootstrap air refrigeration cycle with neat schematic and T-S diagram.
refrigeration and air conditioning updated 9.5 years ago by juilee • 100
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Define Refrigeration and it$'$s applications.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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State merits and demerits of an air refrigeration system.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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A machine working on a Carnot cycle operates between 310 K and 250 K. Determine COP when it is operated as i) A refrigerating machine ii) A heat pump
refrigeration and air conditioning updated 8.1 years ago by ddigantarroy • 0
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Define ton of refrigeration. If the COP of a 1.5 TR window air conditioner is 3.3, calculate how much power will the compressor consume?
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Determine - i) mass flow rate of air circulated to the cabin ii) net power delivered to the refrigeration system iii) COP of system.
refrigeration and air conditioning updated 8.1 years ago by ddigantarroy • 0
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List the good properties of a refrigerant.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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16k
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Compare flooded and dry expansion evaporators.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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What are the advantages of multistage compression?
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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Draw T-S and P-H diagram of sub-cooled and super heat vapour compression refrigeration cycle and name the processes.
refrigeration and air conditioning updated 4.0 years ago by krithikkm200 • 10
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