HVAC Unit 37 Air Distribution and Balance Review Questions with answers 2023
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Course
Hvac
Institution
Hvac
HVAC Unit 37 Air Distribution and Balance Review Questions with answers 2023Name five changes that are made to air to condition it. - correct answer heat it, cool it, dehumdify it, clean it, and move it. pg 939
The two ways that fresh air enters a structure are ______ and ______. - correct answe...
HVAC Unit 37 Air Distribution and Balance Review Questions with answers
2023
Name five changes that are made to air to condition it. - correct answer heat it, cool it, dehumdify it, clean it, and move it. pg 939
The two ways that fresh air enters a structure are ______ and ______. - correct answer infiltration and ventilation. pg 939
Which of the following types of fan is used to move large amounts of air against a low static pressure drop? ABCD - correct answer D) propeller. pg 945
T or F: Turbulence in airflow causes friction drop. - correct answer True. pg 968
Name two types of blower drives. - correct answer Belt drive and direct drive. pg 946
Pressure in ductwork is expressed in which of the following: ABCD - correct answer A) inches of water column. pg 941
Name two types of blower drives. - correct answer Belt drive and direct drive. pg 946
What is a common instrument used to measure pressure in ductwork? - correct answer Water manometer. pg 941
The three pressures created by moving air in ductwork are _____ pressure, ______ pressure, and _____ pressure. - correct answer Static, velocity, and total pressures. pg 943
Name the two types of return air systems in residential installations. - correct answer Individual return air systems and central return system. pg 967
What is the component that distributes air in the conditioned space? - correct answer Supply duct system. pg 947
Warm air heats a room better if distributed: ABCD - correct answer A) low in the room. pg 966
Name four materials used to manufacture duct. - correct answer Galvanized metal, aluminum, fiberglass ductboard, spiral metal duct, and flexible duct. pg 951
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