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WX 301 FINAL EXAM {121} QUESTIONS WITH VERIFIED ANSWERS
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WX 301 FINAL EXAM {121} QUESTIONS WITH VERIFIED ANSWERS...
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WX 301 FINAL EXAM {121} QUESTIONS WITHVERIFIED ANSWERS
The average concentrations of O2 and N2 are about - ANSWER 21% and 78%
Average sea level pressure is about - ANSWER all the above
500 mb is equal to __ Pa - ANSWER 50,000
Which of the following does NOT occur when a column of air is heated -
ANSWER pressure decreases with height at a faster rate
The height above sea level at which the pressure is 700 mb is about - ANSWER
10,000 ft
The pressure at 30,000 ft is about __ mb - ANSWER 300
The station level pressure for PHX is 28.9 in Hg at an elevation of 1200 ft. The
MSL pressure there is about - ANSWER 30.1 in Hg
Cooling air at constant pressure will - ANSWER increase density
Heating a parcel or air at constant pressure will make it __ dense than the
surrounding air. The parcel will then __ - ANSWER less, rise
If I heat air in a closed container the pressure inside the container will - ANSWER
rise
In the ISA (Standard Atmosphere), the lapse rate in the troposphere is closest to -
ANSWER 2ºC per 1,000 ft
Pressure decreases with height faster in a __ column - ANSWER cold
A warm column of air has __ than normal pressure aloft and __ than normal
pressure near the surface - ANSWER higher, lower
If I am flying toward an area that is warmer than normal, my altimeter will read
low - ANSWER True
If my altimeter is set to 30.10 in Hg and the MSL pressure is actually 29.80 in Hg,
, my actual altitude is __ than indicated - ANSWER 300 feet lower
On a very hot day, the density altitude will be __ than normal and I will need __
runway to become airborne at normal takeoff speed - ANSWER higher, more
An isothermal layer is a layer in which ___ - ANSWER temperature is constant
with height
An inversion layer where the temperature __ with height. An inversion has a __
lapse rate - ANSWER increases, negative
In a stable atmosphere, a parcel pushed up will be __ than the surrounding air and
will ___ - ANSWER Cooler, sink back to original level
Which is more stable? - ANSWER stratosphere
In the tropics, the stratosphere is __ than in middle latitudes - ANSWER colder
Flying conditions in the stratosphere are usually - ANSWER smooth and clear
Compared with the tropics, the Arctic has a __tropopause and a __ stratosphere -
ANSWER lower, warmer
Flying at 35,000 ft over Quebec in winter, I am most likely in the - ANSWER
stratosphere
On average, strongest winds are found at - ANSWER the tropopause
Layers in which the temperature increases with height are - ANSWER stratosphere
and thermosphere
The tropopause is highest in - ANSWER the tropics
The tropopause is coldest - ANSWER in the tropics
At 40ºN, the stratosphere is coldest in - ANSWER summer
Layers of the atmosphere in which temperature decreases with height are the
troposphere and the thermosphere. - ANSWER False
22530KT in a METAR is a wind from the __ at 30 _ - ANSWER southwest, kt
A northeasterly breeze is reported as - ANSWER 045/20
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