Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 13RQ
What causes fractionation in certain refrigerant blends?
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Chapter 10 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 10 - How can liquid refrigerant be added to the...Ch. 10 - How is the refrigerant cylinder pressure kept...Ch. 10 - Why does the refrigerant pressure decrease in a...Ch. 10 - What type of equipment normally has the...Ch. 10 - Why are digital scales preferred over other types...Ch. 10 - How does a graduated cylinder account for the...Ch. 10 - What methods besides weighing and measuring are...Ch. 10 - Two or more refrigerants combined together to...Ch. 10 - Define temperature glide, and give examples of...Ch. 10 - A portion of a refrigerant blend that is...
Ch. 10 - What is the main difference between a zeotropic...Ch. 10 - What is meant by "restricting" liquid refrigerant...Ch. 10 - What causes fractionation in certain refrigerant...Ch. 10 - When should a service technician use the...Ch. 10 - A service technician is charging an...Ch. 10 - A technician takes the following readings on an...
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- Define a near-azeotropic refrigerant blend, and give twoexamples.arrow_forwardAre federal excise taxes on reclaimed refrigerants the same as those for new refrigerants?arrow_forwardWhich of the following is/are a necessary part of a liquefaction process? a.all of these b.an expansion process c.throttle d.a heat exchangerarrow_forward
- What is the name of the conference that was held in Canada in 1987 to attempt to solve the problem of refrigerants released into the atmosphere?arrow_forwardWhat are higher-efficiency refrigerant blends that can be used as long-term replacements for R-22 in residential and light-commercial air-conditioning applications?arrow_forwardWhy are there more safety precautions for R-410A thanwith other popular refrigerants like R-22 and R-404A?arrow_forward
- 3) What are some criteria that need to be considered in the selection of a refrigerant? Please choose one type of refrigerant in air conditioning system market and elaboratearrow_forwardRecirculated air from the indoor space is 7,500 cfm (75 degrees F dry bulb, 50% RH). Ventilation air from outdoors is 2,500 cfm (95 degrees F dry bulb, 76 degrees F wet bulb). Leaving air off the cooling coil is 10,000 cfm (55 degrees F dry bulb, 90% RH). What is the wet bulb temperature of the indoor air that is being recirculated? Group of answer choices 61.5 degrees 63.5 degrees 62.5 degrees 61 degreesarrow_forwardThe following data are known for Libr-H₂O absorption system. The cooling capacity is 3.5 kW, generation temp. is 82°C, condenser temp. 40°C, evaporator temp. 6°C. Temp. of absorber is 34°C. Assumed saturation condition for strong solution entering generation, weak solution leaving generation and water vapor Leaving evaporator. Properties of solution or water at each point (p, t, h, x), Mass flow rate each point,(COP) act & (COP) tho, Relative COP and Energy balance for all cycle components.arrow_forward
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