ATSC110 Final Exam Latest Version Real Exam Questions and Correct Answers (A Grade)
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Module
ATSC110
Institution
ATSC110
ATSC110 Final Exam Latest Version Real Exam Questions and Correct Answers (A Grade)
Which of these conditions will cause the atmosphere to become more unstable? - Answer- increasing the surface temperatures while decreasing the temperatures above the surface
The environmental lapse rate was 5�...
ATSC110 Final Exam Latest Version
Real Exam Questions and Correct
Answers (A Grade)
Which of these conditions will cause the atmosphere to become more unstable? -
Answer- increasing the surface temperatures while decreasing the temperatures above
the surface
The environmental lapse rate was 5⁰C/km during the morning but changed to 8⁰C/km by
late afternoon. Due to the change in the environmental lapse rate, the atmosphere
become: - Answer- more unstable
Thunderstorm development will need an atmosphere with a significant layer of
conditionally unstable conditions and a significant amount of moisture. - Answer- True
Cloud development is associated with a low-pressure system because surface air is
converging into the center of the low-pressure system. - Answer- True
Cloud development is associated with weather fronts because the air masses on either
side of the various weather fronts contain air of different densities. - Answer- True
Most precipitation types form by the condensation process only. - Answer- False
Which one of these precipitation processes needs clouds with super-cooled liquid water
and ice crystals to create precipitation particles? - Answer- Bergeron process
Which precipitation type needs a warm layer with above freezing temperatures below
cloud base, but below freezing temperatures on the surface? - Answer- both (c) and (d)
are correct
What is the critical temperature range for aircraft icing conditions? - Answer- -10 to 0⁰C
This type of aircraft icing is associated with the smaller droplets of super-cooled liquid
water. - Answer- rime
This type of ice will not freeze immediately on the aircraft so it will have a chance to
spread out before freezing. This causes the ice to be smooth and transparent which
could make it difficult to detect on the wings. - Answer- glaze (clear)
, Under the right temperature range, which cloud type would be the most dangerous for
aircraft icing conditions? - Answer- stratus
You have a short column of cold air next to a tall column of warm air. Both of these
columns represent the atmosphere. You move up in each column to the 500 mb level.
The 500 mb level will be: - Answer- at a greater height above the surface in the warm
column versus the cold column
The sea-level pressure value in Grand Forks is 1054.0 mb. What type of weather would
you expect with this very high atmospheric pressure value? - Answer- very cold and dry
weather
A contoured surface weather chart that has isobars, used sea-level pressure values for
the pressure parameter. - Answer- True
A station located at 500 meters above sea-level has a station pressure value of 980.0
mb. Converting this station pressure value to sea-level will result in a sea-level pressure
value of: - Answer- 1030.0mb
One of the weather items you will find on a surface weather chart is the location of low
and high-pressure systems. - Answer- True
The upper-level weather charts are also called: - Answer- constant pressure charts
One of the weather items you will find on an upper-level weather chart is the location of
troughs and ridges. - Answer- True
Troughs on an upper-level chart are associated with the: - Answer- lower heights and
colder temperatures
The movement of air around a ridge on an upper-level chart is: - Answer- both (a) and
(c) are correct
Which one of these forces is responsible for getting the air to start moving in a
horizontal direction? - Answer- pressure gradient
Which one of these forces causes a moving air parcel to deflect to right in the northern
hemisphere? - Answer- Coriolis
Which one of these forces causes the air to move in a circular path around a low and
high-pressure system? - Answer- centripetal
Which one of these forces causes the wind to move across the isobars at an angle ≈
30°? - Answer- friction
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