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 36, Problem 16RQ
The outside design temperatures in the summerin Tucson, Arizona, for 25% of the time are ______°F dry-bulb and______°F wet-bulb.
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The standard design conditions for air-conditioning systemsestablished by the Air-Conditioning, Heating andRefrigeration Institute (AHRI) are outside temperature______°F, inside temperature ______°F, with a humidityof ______%.
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1. If 1 gallon of oil = 1.4 therm, how many gallons have been wasted by heat loss in Feb? (1 therm = 100,000 BTU)_____________________________________________________________________________________2. If $1.30 per therm, how much did you waste from house heat loss in Feb?
Chapter 36 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 36 - True or False: Evaporative air-conditioning will...Ch. 36 - What are the advantages of using refrigerated...Ch. 36 - The four major components of an air-conditioning...Ch. 36 - Most compressors are cooled using the ___________.Ch. 36 - What advantage does a thermostatic expansion valve...Ch. 36 - What advantage does a capillary tube have over a...Ch. 36 - The ______expansion device ordinarily must use...Ch. 36 - The most popular refrigerant used in the past for...Ch. 36 - What are higher-efficiency refrigerant blends that...Ch. 36 - What refrigerant blend can be used in retrofit...
Ch. 36 - What types of heat are removed by the evaporator...Ch. 36 - The design boiling point for most evaporator coils...Ch. 36 - What are the three most common types of...Ch. 36 - The large interconnecting line between the indoor...Ch. 36 - The small interconnecting line between the indoor...Ch. 36 - The outside design temperatures in the summerin...Ch. 36 - The dew point temperature tells you how much...
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- Why is information regarding the specific volume of gases important to the designer of air-conditioning, heating, and refrigeration equipment?arrow_forwardThe change of state from a gas to a solid is called _________ and the change is _______ a. Sublimation; Endothermic b. Condensation; Endothermic c. Deposition; Exothermic d. Sublimation; Exothermicarrow_forwardHenry's constant for air at 25 C is ____orders of magnitude higher than hydrogen sulfidearrow_forward
- 15/. The specific heat capacity value is generally high for _________ a. polymers b. ferrous metals c. non ferrous metals d. aluminumarrow_forwardExplain why the outside air damper is typically nevercompletely closed, even when the outside air conditionsare not adequate to provide free-cooling.arrow_forwardTdb refers to .2 the moist air temperature. O none of the above. O the wet air temperature. O the most common air temperature. Carrow_forward
- In many temperature control applications, __________ is the controlled variable.arrow_forwardQUESTION 18 Determine the type of steam, given: Pressure: 6.4 MPa Enthalpy: 3.2 kl/kg.K O Wet vapor O Saturated Vapor O Superheated Vaporarrow_forwardDescribe a cup of hot coffee does not get hotter in a cooler room.arrow_forward
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