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 10RQ
A portion of a refrigerant blend that is evaporating or condensing before the rest of the same blend is called__________.
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6-The point at which water directly converts into steam is called ___________
A.sensible heat of vaporisation
B.latent heat of vaporisation
C.saturation point
D.critical point
PLEASE DO NOT USE PSYCHROMETRIC CHART. THANK YOU
In the diagram below inlet air is drawn over a pool of liquid water in a steady-state, steady-flow isobaric process. Evaporation on the pool resultsin saturated air at the exit. The pool of liquid water is assumed to be at the same temperature as the exitair. Discharge fans at the exit provide a volumetric flow rate of 800,000 ft3/min.
Problem #2: Assume that the R134a chiller is turned off such that Qout = 0, but the evaporative coolersystem continues to operate. Determine:a) The exit temperature, T2 (°F)b) The mass flow rate dry air through the system (lbm/sec).c) The rate of liquid water resupply required for continuous operation (lbm/hour).
I.
ESSAY/ ENUMERATION
1. GIVE ATLEAST 5 ADVANTAGES AND 5 DISADVANTAGES OF INORGANIC REFRIGERANTS.
2. HOW DOES A REFRIGERANT WORKS IN A REFRIGERATION SYSTEM?
3. DIFFERENTIATE POSITIVE AZEOTTROPES AND NEGATIVE AZEOTROPES IN TERMS OF
THEIR APPLICATION IN REFRIGERATION SYSTEMS.
4. THE FOUR MAIN COMPONENTS OF A REFRIGERATION SYSTEM ARE COMPRESSOR,
CONDENSER, EVAPORATOR AND AN EXPANSION VALVE. EXPLAIN BRIFLY THE FUNCTION
OF EACH COMPONENT AND THE FLOW OF THE CYCLE.
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- A. What is the effects of different input parameters on evaporator operating pressure. B. How does the change in evaporator pressure affect the process?arrow_forward9) What is the refrigeration effect?A: It is the energy transfer per kg of refrigerantB: It is the energy transfer per oC of refrigerantC: It is the energy reject per kg of refrigerantD: It is the energy reject per oC of refrigerantarrow_forwardPlease do all the parts (a,b, and c ), I really need them. Please Full steps and make sure your handwritten is CLEAR & BIG, please THANK YOU SO MUCHarrow_forward
- How does an injector-type mixing chamber work?arrow_forwardAre federal excise taxes on reclaimed refrigerants the same as those for new refrigerants?arrow_forwardTwo-phase pipe flow is the simultaneous flow of a gas (or vapor) and a liquid exhibiting ___________physical properties through the same pipe a. same b. fixed c. different d. constantarrow_forward
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