Relative Humidity and Air Pressure Review

QuizÂ by justine wood

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16 questions
• Q1
The air temperature is 25 C and the dew point temperature is 20 C. What is the relative humidity?
70%
85%
100%
50%
30s
• Q2
The air temperature is 15 C and the dew point temperature is 5 C. What is the relative humidity?
100%
50%
75%
25%
20s
• Q3
Air temperature is 35 C and dew point temperature is 25 C. What is the relative humidity?
80%
20%
75%
57%
20s
• Q4
Find the relative humidity: Wet bulb = 22 C, Dry bulb = 26C
70%
92%
85%
38%
20s
• Q5
Find the relative humidity: Wet bulb = 14 C, Dry bulb = 20 C
72%
51%
64%
90%
20s
• Q6
Find the relative humidity: Wet bulb 8 C, Dry bulb 8 C
88%
100%
25%
75%
20s
• Q7
When relative humidity is low:
evaporation rate is low
evaporation rate is constant
evaporation does not occur
evaporation rate is high
20s
• Q8
What is evaporation
phase change from liquid to gas
phase change from gas to liquid
phase change from solid to liquid
phase change from liquid to solid
20s
• Q9
What is condensation
phase change from liquid to gas
phase change from gas to liquid
phase change from solid to liquid
phase change from liquid to solid
20s
• Q10
What happens when RH is 100%
air temp = dew point temp
air temp is higher than dew point temp
dew point temp is higher than air temp
air temp is lower than dew point temp
20s
• Q11
When RH is 100%, you should expect
clear skies and calm winds
partly cloudy skies
fog and possible precipitation
strong winds
20s
• Q12
Winds in a low pressure system move
counter clockwise towards the center
clockwise away from the center
clockwise towards the center
counter clockwise away from the center
20s
• Q13
Low pressure systems usually bring
cloudy skies and precipitation
clear skies
20s
• Q14
In low pressure systems,
air molecules sink, compress and warm
air molecules rise, expand and cool
air molecules rise, condense and warm
air molecules sink, expand and cool
20s
• Q15
In this diagram, the air over the water has:
higher pressure than the air over the land
lower pressure than the air over the land
equal pressure to the air over the land
20s

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