
Air conditioner & Humidity
Presentation
•
Science
•
11th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Arlita Daniels
Used 19+ times
FREE Resource
2 Slides • 9 Questions
1
Air conditioner
Alita Daniels
Page Number
1st Edition –211-214
2nd edition – 200-204
3rd Edition – 249- 253
2
Objective:
* Discuss the features of an air conditioner and how its assists in ventilation and explain how temperature, air movement and humidity affect drying.
3
Multiple Select
Air conditioning.....(select those that apply)
the process of treating air
to control its humidity
to control its temperature
to control it cleanliness
4
Multiple Select
What are the major components in an air conditioner?
compressor
expansion valve
thermostat
fans
condenser
5
Multiple Choice
What happens in the compressor
First the refrigerant is compressed; turn it into high pressure vapor. Then it is sent into the condenser.
The axle fan will blow the condenser, where its function to cool the refrigerant in the refrigeration cycle.
The high-pressure liquid is sent into the expansion valve; turns into low pressure liquid. Then it is sent into the evaporator.
Finally the low-pressure vapor is back to the compressor for the same process; the overall process is repeated over and over again.
6
Multiple Choice
What occurs in the expansion valve?
Gas refrigerant is compressed into a liquid.
Liquid refrigerant passes through and expands into a gas
Heat is released
cold refrigerant passes through the coils
7
Multiple Select
How does the air conditioner assist with ventilation? (check which apply)
Removes pollutants
controls humidity
exchanges inside air with outside air
cools air to desired temperature
8
Multiple Choice
Humidity is the measure of?
the temperature of the air
the amount of pollution in the air
the speed and direction of the wind
the amount of water vapor in the air
9
Multiple Choice
Define Saturation
when air holds as much moisture as it can hold
temperature at which condenses out of the air
temperature of dew point
water in the air
10
Multiple Choice
in which type of day is the relative humidity greater than or equal to 10 degrees Celsius
dry hot day
slightly humid day
damp rainy day
damp windy day
11
Multiple Choice
Mrs. James dries her washing on a line in her garden. Under which conditions will her clothes dry the quickest?
cool, humid day
cool, still day
warm, windy day
a warm humid day
Air conditioner
Alita Daniels
Page Number
1st Edition –211-214
2nd edition – 200-204
3rd Edition – 249- 253
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