3-42.
In which of the following
meteorological situations should
you forecast the greatest
probability of aircraft icing?
1.
Cold air advection, temperature
of -5°C, and dewpoint
depression of 2°C
2.
Cold air advection, temperature
of -7°C, and dewpoint
depression of 3°C
3.
Warm air advection, temperature
of -15°C, and dewpoint
depression of 4°C
4.
Warm air advection, temperature
of -10°C, and dewpoint
depression of 3°C
IN ANSWERING QUESTION 3-43, REFER TO
FIGURE 5-20 IN YOUR TRAMAN.
3-43.
Assume that you have weak cold air
advection between approximately
9,000 and 12,000 ft.
On the basis
of the temperatures and the
dewpoint depressions, what should
your icing intensity forecast be
for this area?
1.
Light
2.
Moderate
3.
Severe
4.
Extreme
IN ANSWERING QUESTION 3-44, REFER TO
FIGURE 5-21 IN YOUR TRAMAN.
3-44.
What determines the intensity of
expected icing?
1.
The size of the hatched area
2.
The value of the combined
dewpoints
3.
The size of the area between
the temperatures and the
dewpoints
4.
The stability of the air mass
3-45.
Which of the following icing
conditions should be expected if
the -8D curve is to the left of the
temperature curve in an area with
temperatures ranging from -10 to
-18°C?
1.
Light glaze icing
2.
Light rime icing
3.
Light hoarfrost
4.
No icing
3-46.
Wind shear produces turbulence
because of eddies created due to
tight vertical or horizontal
gradients in wind velocity in a
specific direction along the same
line.
1.
True
2.
False
3-47.
A pilot files a DD Form 175-1 for
an IFR flight in a P-3 aircraft
along a route that will cross over
a mountainous area where mountain
waves exist.
If the height of the
tallest en route peak is 5,280 ft,
and the pilot can NOT avoid the
area, what is the minimum altitude
the pilot must maintain in flying
over the area?
1.
3,440 ft
2.
7,920 ft
3.
11,160 ft
4.
11,280 ft
3-48.
Turbulent eddies on mountain ridges
usually exist in much deeper layers
on what part of the slope?
1.
At the highest peak
2.
At the lowest base
3.
On the windward side
4.
On the leeward side
3-49.
Clear air turbulence (CAT) is most
frequently encountered in the
winter months.
1.
True
2.
False
3-50.
CAT occurs primarily at which of
the following locations?
1.
Poleward of the jet stream core
2.
Equatorward of the jet stream
core
3.
Within the jet stream core
4.
At the 40,000-ft level in warm
troughs
3-51.
Which of the following statements
is NOT a valid characteristic of
sea waves?
1.
Sea waves are created by local
winds
2.
Sea waves are composed of a
small spectrum of sine waves
3.
Sea waves remain in their
generating area
4.
Sea waves are very irregular in
appearance
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