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 3RQ
Lower room temperatures can be offset in winter by
A. lowering the relative humidity.
B. being very still.
C. activity.
D. raising the relative humidity.
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Humidification is a process which involves . water vapor per Kilogram of dry air
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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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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
- The atmospheric pressure on the surface of Mars is only 0.007 bar which is less than 1% of the Earth’s atmospheric pressure. What is the main gas in the atmosphere of Mars. A. Carbon Dioxide B. Hydrogen C. Helium D. Nitrogen E. Sulfur Dioxidearrow_forwardThe relative humidity in heated homes is generally the _____in the winter season. A. highest B. lowestarrow_forwardDefine absolute humidity and relative humidity. When an air conditioner is operated insummer, lots of water needs to be drained out from it. Briefly explain this situation inrelation to psychrometry.arrow_forward
- ASABarrow_forward7. The relative humidity on a 90°F day is 30 per cent. a. How many pounds of water vapor are in a room 20 ft by 30 ft by 10 ft high? b. What is the weight of the air-water-vapor mixture in the room above? c. Air is discharged from an evaporative cooler at 76°F. What is its relative humidity? d. Will eggs removed from a 45°F storage room "sweat"? Why? e. If the air is humidified isothermally, what is H at saturation?arrow_forward5. Define moist airarrow_forward
- In the case of heating the air with a heating coil, the absolute humidity of the air can either increase, or decrease. does not change. increases. decreases.arrow_forwardWhile discussing relative humidity: Technician A says that the amount of moisture that air can hold is directly related to the temperature of the air. Technician B says that the colder the air is, the more moisture it can hold. Who is correct?arrow_forwardAt what evaporator temperature does an ice maker usually begin to make ice?A. 35°FB. 32°FC. 25°FD. 20°Farrow_forward
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