Tamu Cosc 325 exam 2 Houston with correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers
BTU - correct answer✔✔British Thermal Unit is the amount of heat required to raise 1 lb of
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
water 1 degrees F.
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Ton - correct answer✔✔amount of heat required to melt a ton of ice (2000 lb) over a 24-
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hour period. ||\\||\\
· 1 ton = 12,000 Btu/hr or 288,000 Btu per 24-hour period
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Humidity - correct answer✔✔amount of moisture (water vapor) in the air ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· Comfortable relative humidity is about 50%
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Air Velocity - correct answer✔✔speed at which air moves from one point to another
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· Measured in feet per minute (fpm)
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· 40 fpm is ideal
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Registers - correct answer✔✔ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Filtration - correct answer✔✔process of removing particles and contaminants from air that
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
circulated through an air distribution system ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· Located in air ductwork where air enters the heating and cooling equipment
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Ventilation - correct answer✔✔process that occurs when outdoor air is brought into a ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
building
, Exhaust & make up air - correct answer✔✔Building with exhaust has no recirculation
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· Make up air: is air that is used to replace air that is lost to exhaust
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IAQ (Indoor air quality) - correct answer✔✔is the quality of the air in the building space
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· CO2 levels: well ventilated - 600 to 1000 AVG. 800
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ASHRAE (American Society of Heating, Refrigerating, and Air-conditioning Engineers, Inc.) -
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answer✔✔· Recommends that ventilation be increased in all residential, commercial,
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
and industrial buildings
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Dry bulb temperature - correct answer✔✔measurement of a sensible heat
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Latent heat - correct answer✔✔heat required to change liquid into a gas
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Relative Humidity - correct answer✔✔is the amount of moisture in the air compared to the
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amount it would hold if the air were saturated ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Dew point - correct answer✔✔The temperature below which moisture in the air begins to
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
condense.
Enthalpy: - correct answer✔✔the total heat contained in a substance measure from a ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
baseline of 32 degrees F and is the sum of sensible heat(dry bulb temperature) and latent
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heat
Psychrometric Chart - correct answer✔✔chart that defines the condition of the air for any ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
given property ||\\||\\
answers
BTU - correct answer✔✔British Thermal Unit is the amount of heat required to raise 1 lb of
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
water 1 degrees F.
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Ton - correct answer✔✔amount of heat required to melt a ton of ice (2000 lb) over a 24-
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
hour period. ||\\||\\
· 1 ton = 12,000 Btu/hr or 288,000 Btu per 24-hour period
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Humidity - correct answer✔✔amount of moisture (water vapor) in the air ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· Comfortable relative humidity is about 50%
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Air Velocity - correct answer✔✔speed at which air moves from one point to another
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· Measured in feet per minute (fpm)
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· 40 fpm is ideal
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Registers - correct answer✔✔ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Filtration - correct answer✔✔process of removing particles and contaminants from air that
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
circulated through an air distribution system ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· Located in air ductwork where air enters the heating and cooling equipment
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Ventilation - correct answer✔✔process that occurs when outdoor air is brought into a ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
building
, Exhaust & make up air - correct answer✔✔Building with exhaust has no recirculation
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· Make up air: is air that is used to replace air that is lost to exhaust
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
IAQ (Indoor air quality) - correct answer✔✔is the quality of the air in the building space
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
· CO2 levels: well ventilated - 600 to 1000 AVG. 800
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
ASHRAE (American Society of Heating, Refrigerating, and Air-conditioning Engineers, Inc.) -
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answer✔✔· Recommends that ventilation be increased in all residential, commercial,
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
and industrial buildings
||\\||\\ ||\\||\\ ||\\||\\
Dry bulb temperature - correct answer✔✔measurement of a sensible heat
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Latent heat - correct answer✔✔heat required to change liquid into a gas
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Relative Humidity - correct answer✔✔is the amount of moisture in the air compared to the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
amount it would hold if the air were saturated ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Dew point - correct answer✔✔The temperature below which moisture in the air begins to
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
condense.
Enthalpy: - correct answer✔✔the total heat contained in a substance measure from a ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
baseline of 32 degrees F and is the sum of sensible heat(dry bulb temperature) and latent
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
heat
Psychrometric Chart - correct answer✔✔chart that defines the condition of the air for any ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
given property ||\\||\\
