WEAX WX 301 Exam 1 Actual Questions and Answers 100% Correct; Embry-Riddle Aeronautical University
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Course
WEAX WX 301
Institution
WEAX WX 301
WEAX WX 301 Exam 1 Actual Questions and Answers
100% Correct; Embry-Riddle Aeronautical University
If air is heated in a closed container what happens to the pressureq - ANSWER It will
rise
Pressure decreases with height faster in a ____ column - ANSWER Cold
Where is high a...
WEAX WX 301 Exam 1 Actual Questions and Answers
100% Correct; Embry-Riddle Aeronautical University
If air is heated in a closed container what happens to the pressureq - ANSWER It will
rise
Pressure decreases with height faster in a ____ column - ANSWER Cold
Where is high and low pressure in a warm column of air - ANSWER High pressure aloft
and low pressure at the surface
When flying towards an area that is warmer than normal, what will my altimeter read -
ANSWER Low
What happens to a parcel of air that's moved in a stable atmosphere? - ANSWER
When the parcel is pushed up, it will be cooler than it's surroundings and sink back to
the original level
In the tropics, the stratosphere is what compared to mid latitudes - ANSWER Colder
Where is the tropopause in the arctic? - ANSWER Lower and warmer
Where are the strongest winds found? - ANSWER Tropopause
Where is the tropopause the highest? - ANSWER The tropics
Where is the tropopause coldest? - ANSWER The tropics
At 40 latitude, when is the stratosphere coldest? - ANSWER Summer
If the 3,000' wind in the NH is 090/30 what is the surface wind - ANSWER 040 at 18
When are the highs over the ocean strongest? - ANSWER The summer
Prevailing surface winds in Lima, Peru are from the - ANSWER South
Where is likely landing wind from in Asia in the winter v summer - ANSWER Winter -
NE, Summer - SW
Average winds at 35,000' above New Zealand are from - ANSWER The west
When is the horizontal pressure gradient largest? - ANSWER When the isobars are
spaced closely together
, What direction is the CF deflected in the SH - ANSWER To the left
For a geostrophic wind at 090, where is the CF - ANSWER to the north
In the Southern Hemisphere, airflow from the south means low pressure is to the -
ANSWER east
When the 500mb height is higher than normal, what happens to the pressure at 18,000
feet - ANSWER It's higher
What do the contours on a 500mb chart mean - ANSWER Height in meters
For the same isobar spacing, what latitude causes faster wind - ANSWER Lower
latitudes
How does air move around a cyclone due to friction - ANSWER Produces convergence
and rising motion
Is the troposphere warmest under a ridge or trough - ANSWER Ridge
At 30,000 feet what kind of pressure is above the poles v tropics - ANSWER Low at
poles, high at tropics (circulation cells)
Where is the 300mb high pressure belt found in July - ANSWER 20N
What month (season) has the lowest heights above the north pole - ANSWER January
(winter)
In winter, the northern hemisphere upper-level westerlies are __ and extend further __
than in summer - ANSWER stronger, south
Weather is a factor in what percent of aviation accidents? - ANSWER 21%
Weather is a factor in what percent of aviation fatalities? - ANSWER 30%
What is the main cause of weather related aviation fatalities - ANSWER Continued
flight into IMC
What is the leading cause of airport wx delays - ANSWER Thunderstorms
500 mb is equal to __ Pa - ANSWER 50,000
What does not happen when a column of air is heated? - ANSWER Pressure
decreases with height at a faster rate
Cooling air at constant pressure will... - ANSWER Increase density
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