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|  CHAPTER TWO
AVIATION WEATHER
STUDY QUESTIONS
1.
Which one of the following types of isobar spacing would indicate a weak pressure
gradient force?
a.
Narrow
b.
Deep
c.
Wide
d.
Tight
2.
Which one of the following types of pressure gradients would indicate the presence of
strong winds?
a.
Steep
b.
Low pressure
c.
Weak
d.
Shallow
3.
The initial movement of air toward a low-pressure area is caused by the_____________.
a.
pressure gradient force
b.
Coriolis force
c.
centrifugal force
d.
force of friction
4.
Coriolis force directs air ___________, with respect to its initial direction of motion.
a.
vertically
b.
to the left
c.
horizontally
d.
to the right
5.
According to Buys Ballot's law, if I have a head wind the area of lower pressure
is________.
a.
to my right
b.
to my left
c.
straight ahead
d.
aft
6.
The forces that determine the wind direction in the atmosphere are weakened at the Earth's
surface by the__________________.
a.
pressure gradient force
b.
Coriolis force
c.
centrifugal force
d.
force of friction
2-24 Atmospheric Mechanics of Winds, Clouds and Moisture, and Atmospheric Stability
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