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 5RQ
Relative humidity is measured using a
A. thermotyporiter.
B. sling psychrometer.
C. dry-bulb thermometer.
D. volt-ohmmeter.
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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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- Why is information regarding the specific volume of gases important to the designer of air-conditioning, heating, and refrigeration equipment?arrow_forwardFor a room to be comfortable, the following conditions are considered average: ____F dry-bulb and ______% relative humidity.arrow_forwardWhich process would best represent the opposite ofexhausting air from a system?A. CoolingB. VentilatingC. HeatingD. Filteringarrow_forward
- What is the best way to keep the air at high humidity in a biofilter?arrow_forwardIn cooling tower the blow down loss means a. the total water loss due to blowing of very fast air in cooling tower. b. the water loss due to leakges c. the water loss in the form of droplets d. the water loss to control impurities and saltsarrow_forward2. What tool would be best for measuring airflow in a lab hood: A. Hot Wire Anemometer B. Infrared Temperature Gun C. Ultrasonic Leak Detectorarrow_forward
- While 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_forwardThe thermocouples will read the variation of the temperature due to Select one: a. Density of the water. b. Peltier thermo-electric effect c. Gradient in the pressure d. Pressure differencearrow_forwardFor a cooling tower, the drift loss means, a. water lost in the form of droplets b. leakge losses due to leakges c. water loss to control concentration of salt and other impurities. d. water lost in the form of evaporationarrow_forward
- principle of Inverter air conditioner and energy saving.arrow_forwardMake decisions concerning needs and types of ventilation for acceptable indoor air quality?arrow_forwardChoose the expansion valve responds to spring force and pressure of O a. thermostatic O b. capillary on O c. automatic O d. float The RH of air is 40% and moisture of air is 0.3 kg in required volume, Find the SH of air (a) and total mass of air (b)arrow_forward
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