WX 201 Final Exam Questions and Answers
Chemicals called __ break down ozone molecules
chlorofluorocarbons
Since the turn of this century, CO2 in the atmosphere has:
been increasing in concentration
In a volume of air near the earth's surface, ____ occupies 78 percent
and ____ occupie...
WX 201 Final Exam Questions and Answers
Chemicals called __ break down ozone molecules
chlorofluorocarbons
Since the turn of this century, CO2 in the atmosphere has:
been increasing in concentration
In a volume of air near the earth's surface, ____ occupies 78 percent
and ____ occupies nearly 21 percent.
Nitrogen, Oxygen
Sinks of CO2 include
photosynthesis
The only substance near the earth's surface that is found naturally in the atmosphere as a solid, liquid,
and a gas:
water
A greenhouse gas
absorbs outgoing terrestrial radiation
Air can hold more water vapor when it is
warm
Ozone
occurs at about 75,000 ft and absorbs UV rays
In the atmosphere, tiny solid or liquid suspended particles of various composition are called:
aerosol
Meteorology is the study of _____.
the atmosphere
50°F is equal to __°C
10.0000
An inversion layer where the temperature increases with height has a __ lapse rate
negative
20°C is equal to __°F
68.0000
The altitude of the tropopause is generally highest in
,the tropics
In a temperature inversion:
air temperature increases with increasing height
Almost all of the earths weather occurs in the
troposphere
Average sea level pressure is about
14.7 lb per square inch, 29.92 in Hg, 1013 mg
In the ISA (Standard Atmosphere), the lapse rate in the troposphere is
2ºC per 1,000 ft
If I heat air in a closed container the pressure inside the container will
rise
An isothermal layer is a layer in which ___
temperature is constant with height
If the absolute temperature of an object doubles, the amount of energy emitted goes up by a factor
of:
16
If the amount of energy lost by the earth to space each year were not approximately equal to that
received:
the atmospheres average temperature would change
At midday on June 22, the solar elevation at 30ºN is
83.5º
At which temperature would the earth be radiating energy at the greatest rate of intensity?
105º F
For maximum winter warmth, in the Northern Hemisphere, large windows in a house should face:
south
Most of the radiation emitted by the earth is in the __ part of the electromagnetic spectrum
IR
According to Wein's displacement law, the wavelength at which maximum radiation occurs
is inversely proportional to to the temperature
, During an equinox:
-the days and nights are of equal length except at the poles
-at noon the sun is overheard at the equator
-there is 24 hours of sunrise of sunset at the poles
A heat transfer process in the atmosphere that depends upon the movement of air is:
convection
Blue light has ______ wavelength compared to that of red light.
a shorter
Hottest afternoon summer temperatures are found ___.
inland on a clear, calm day
A radiation inversion is most commonly observed:
just above the ground
An ideal shelter for housing a temperature-measurement instrument should be
both white and in the shade
Warm ocean currents are generally found along the _____ coast of continents.
east
If the lapse rate is 2.0 °C per 1,000 ft and the MSL temperature is 15.0 °C, what is the temperature at
3,000 ft MSL?
9.0000
The primary cause of a radiation inversions is:
infrared radiation emitted by the earth's surface
Water heats up ____ and cools off ____ than land.
more slowly, more slowly
Over the earth as a whole, one would expect to observe the smallest variation in temperature from
day to day and from month to month:
on a small island near the equator
The air temperature is 45o F, the wind is blowing at 30 MPH, and the wind chill temperature is 15o F .
These conditions would feel as cold to the human body as ____.
a 15º F air temperature and 0 MPH winds
Coldest night-time temperatures occur on
clear, calm nights
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