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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Question
Chapter 37, Problem 20RQ
To determine
The airflow in a duct with an average velocity of 800 fpm in a round duct of 16 in diameter.
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Chapter 37 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 37 - Name five changes that are made to air to...Ch. 37 - The two ways that fresh air enters a structure are...Ch. 37 - Which of the following types of fan is used to...Ch. 37 - True or False: Turbulence in airflow causes...Ch. 37 - Name two types of blower drives.Ch. 37 - Pressure in ductwork is expressed in which of the...Ch. 37 - What is a common instrument used to measure...Ch. 37 - Prob. 8RQCh. 37 - Name the two types of return-air systems in...Ch. 37 - What is the component that distributes air in the...
Ch. 37 - Warm air heats a room better if distributed A. low...Ch. 37 - Name four materials used to manufacture duct.Ch. 37 - The name of the fitting where the branch line...Ch. 37 - Prob. 14RQCh. 37 - Prob. 15RQCh. 37 - Prob. 16RQCh. 37 - Multiple-zone systems often use a(n) __________or...Ch. 37 - Prob. 18RQCh. 37 - Prob. 19RQCh. 37 - Prob. 20RQCh. 37 - If a rectangular duct system s (12in.26in.) has an...Ch. 37 - The equivalent feet of pressure drop for a group...
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- Surge occurs, when the compressor is operating at ________________ a. maximum head and maximum flow. b. minimum head and maximum flow c. minimum head and minimum flow d. maximum head and minimum flowarrow_forward3. An advantage of a centrifugal compressor is that it is: Dynamically balanced. O Unaffected by turbulence. More robust and is easier to develop and manufacture. Able to handle a larger mass of air than an axial flow compressor.arrow_forwardQ/ Compare between centrifugal compressor and rotary compressor?arrow_forward
- Speed of the actuator is affected by a. pipe diameter b. all of the mentioned c. cross-section area of the orifice d. velocity of flowarrow_forward1. If a rectangular duct system (12 inch × 26 inch) has an average velocity of 700 fpm, what is the airflow?arrow_forwardThe four types of gas furnace airflow patterns are _______, ______, _____, and______.arrow_forward
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