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 44, Problem 12RQ
The function of the pressure tank in an open-loop, geo-thermal heat pump well system is to prevent the well pump from _____.
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In actual design, as per illustration Fig. MT 1, the system has a liquid reservoir also acting as an accumulator. The line that connects to the thermal expansion valve is connected underneath the accumulator. This will ensure that only ___ refrigerant will be atomized by the value supplied to the evaporator.
SUBJECT: REFRIGERATION SYSTEMS
In the mechanical heat pump, what is the
type of process that occurs in the expansion
valve?
Select one:
a. Isentropic.
b. Adiabatic.
c. Isobaric.
d. Isothermal.
Question /
True or False: All heat pumps are practical anywhere inthe United States. Explain your answer.
Chapter 44 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 44 - Geothermal heat pumps, or water-source heat pumps,...Ch. 44 - An important factor (or factors) involving water...Ch. 44 - Explain the ground loop or water loop of a...Ch. 44 - Explain the refrigerant loop of a closed-loop,...Ch. 44 - The__________loop is used to distribute heated or...Ch. 44 - True or False: Domestic hot water can be heated...Ch. 44 - Prob. 7RQCh. 44 - Antifreeze solutions that can be used in the...Ch. 44 - What is the main difference between a copper and a...Ch. 44 - A(n) ______well draws water from the top of...
Ch. 44 - Which of the following is a process in which a...Ch. 44 - The function of the pressure tank in an open-loop,...Ch. 44 - If 14 gpm of water is flowing through an open-loop...Ch. 44 - Explain the operation/purpose of the buffer tank...Ch. 44 - How will oversizing the buffer tank on a...Ch. 44 - Explain why a waterless, earth-coupled,...Ch. 44 - Explain how refrigerant and oil leakage are found...Ch. 44 - What kind of material is used in the waterless...
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- A(n) ______well draws water from the top of thewater column, circulates it through the heat pump, and then returns the water to the bottom of the water column.arrow_forwardAfter heat is absorbed into a condenser medium in a water-cooled condenser, the heat can be deposited in one of two places. What are they?arrow_forwardAn important factor (or factors) involving water quality with regard to open-loop heat pump systems is(are) A. water temperature. B. water cleanliness. C. water volume in gpm. D. all of the above.arrow_forward
- C, The air pressure and temperature increase while the volume decrease O d. The air pressure and temperature decrease while the volume increase Which of the following does not help in collecting results in the mechanical heat pump? Select one: O a. Pressure gage b. Flowmeter C. Wattmeter O d. Receiverarrow_forwardWhat are many different kinds and variations of the refrigeration cycle components؟arrow_forwardNumber 3 The food storage room requires a cooling system with a capacity of 15 tons of refrigeration that operates at an evaporator temperature of -17.5 ° C and a condenser temperature of 37.0 ° C. The refrigerant used is R-134a and the system operates in saturated conditions. a. COP= b.Refrigerant flow rate = Answer in kg / s. c. Heat loss rate in condenser = Answer kJ / s.arrow_forward
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