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 35, Problem 2RQ
State three ways the body gives off heat.
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ENERGY MANAGEMENT
4. Describe the three areas of energy use in industry.
9. A contained room has an air-conditioning unit that is operating at 1 horsepower. If a change in internal energy of the system is found to be 1000 J, how much heat is associated with the process?
2. the units for the term associated with pressure are:
Answer Choice Group
lbm/ft s2
lbf ft/ lbm
lbf s2/ lbm
lbf ft/s
Chapter 35 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 35 - Name the four comfort factors.Ch. 35 - State three ways the body gives off heat.Ch. 35 - Lower room temperatures can be offset in winter by...Ch. 35 - Perspiration cools the body by________.Ch. 35 - Relative humidity is measured using a A....Ch. 35 - Name the two unknowns that are easiest to obtain...Ch. 35 - Air that contains all of the moisture that it can...Ch. 35 - In order for an air-conditioning coil to remove...Ch. 35 - For a room to be comfortable, the following...Ch. 35 - With a dry-bulb reading of 70F and a wet-bulb...
Ch. 35 - Relative humidity in question 10 is _______%.Ch. 35 - A gas furnace has an output of 60,000 Btu/h. The...Ch. 35 - A house has 3500ft2 of floor space and a 9-ft...Ch. 35 - If the fresh-air requirements for the house in...Ch. 35 - If the outside fresh-air conditions were to be 93F...Ch. 35 - If the air leaving the cooling coil were to be 55F...Ch. 35 - Using the answers from questions 14, 15, and 16,...Ch. 35 - Describe why fresh air is important in a house.
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- Temperature is defined as A. how hot it is. B. the level of heat. C. how cold it is. D. why it is hot.arrow_forwardPerforming a home energy audit starts with a visualinspection of a home and its energy systems which include: ______, ________, _______, and _______.arrow_forwardThe internal energy of a system has component/s _______. * choose.. Kinetic energy Potential Energy Solar Energy Stored Energy Thermal Energyarrow_forward
- If a heating system was being designed for use in Modesto, California, what temperature difference would be used for calculations? A. 30F B. 40F C. 50F D. 60Farrow_forwardA tankless water-heating system gets its heat from thesystem's_______.arrow_forwardDescribe the effect of pressure on an enclosed volume of a gas.arrow_forward
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