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10 Cards in this Set
- Front
- Back
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The category of air conditioning which is responsible for getting outside air into the building to replenish the oxygen supply for the occupants is
a) heating b) cooling c) ventilation d) humidification e) air circulation |
C
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To offset the heat gain through the building's exterior shell from solar radiation, the atmosphere surrounding the building, and from internal sources of heat, what is required? a) a humidifier b) a heat source c) ventilation d) a cooling source e) a dehumidifier |
D
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A small residence located in a tropical climate may require which of the following elements of an air conditioning system: i) heating ii) cooling iii) humidification iv) dehumidification v) ventilation a) i and ii b) i, iii, and v c) ii and iii d) iv and v e) ii, iv, and v |
E
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Which of the following statements about air handling units is true? a) In any system the air is mainly conditioned in the units b) The units can only heat air c) The units only circulate d) For each function there needs to be a separate air handling unit e) None of the above |
A
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The intake section arrangement which draws in room air, conditions it, and then returns it into the room is called a) fixed percentage outdoor air circulation b) full recirculation c) 100% outdoor air circulation d) mixed air circulation e) blended circulation |
B
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The unitary air conditioning system which uses a direct expansion refrigeration system to provide cooling and dehumidification in a local area without ductwork is called a) a unit ventilator b) a rooftop unit c) a window air conditioner d) a high velocity terminal reheat system e) a multizone system |
C
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Which of the following statements about the unit ventilators is false? a) The units are used in areas with limited available floor space b) The units provide individual room temperature control c) The units provide cooling only d) The units provide heating e) Room air is mixed with outside air |
C
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Which of the following statements about central air conditioning systems is false? a) Central systems are used in large buildings. b) All the major equipment in central systems is located in a central mechanical room in the building. c) Air is conditioned in the main mechanical room and distributed by duct work. d) The central system is able to utilize large central equipment with high efficiency and low initial cost. e) Unitary systems are able to control noise and vibration better than central systems. |
E
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The most common system installed in most residences where the furnace is located in the basement and provides conditioned air via ducts to each room is called a) a forced air system b) a single zone, constant air volume system c) a low velocity terminal reheat system d) a multizone system e) a unit ventilator |
A
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Which of the following statements about multizone systems is true? a) The cooling coils are installed in-line b) The dampers are out of phase by 10 degrees c) When the hot deck is fully opened the cold deck is fully closed d) The system cannot operate a humidifier e) All of the above |
C
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