ATSC 231 Final Exam Questions and
Answers 100% Pass
The Local agency responsible for predicting weather - ✔✔WFO
The type of aircraft operations that experience the highest percentage of turbulence related accidents -
✔✔121
The aerodynamic force that is most affected by structural ice - ✔✔drag
The type of aircraft operations that experience the highest percentage of accidents resulting from low
ceiling and visibility - ✔✔135
Type of hydrometeor that reflects least radar energy - ✔✔Dry Snow
One very large single cell thunderstorm that typically produces a tornado - ✔✔Supercell
This contraction used in a metar to indicate a station that can discriminate precipitation - ✔✔AO2
The intensity of turbulence that may cause structural damage - ✔✔Extreme
One of three places where SLD's are common - ✔✔Below Melting Layer, Cumulus Clouds, Right at top of
clouds
An instrumentally derived value that represents the horizontal distane a pilot will see down the runway.
it is based on the sighting of HIRL. - ✔✔RVR
The Direction the wind blows around low pressure systems in the Northern Hemisphere - ✔✔Counter
Clockwise
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The distance by which severe storms should be avoided - ✔✔20 miles
An inflight advisory that provides a forecast of non-convective weather that is hazardous to all aircraft -
✔✔Sigmet
The time of year that a deep layer of convective turbulence forms - ✔✔Summer
The type of solution used to de ice aircraft - ✔✔4 or 2
The height of a cumulus cloud base if the surface temperature were 25 and dew point 10 - ✔✔6000
The type of satellite imagery that best shows shadows - ✔✔visible
The time of day for peak thunderstorm activity over ND - ✔✔Late Night
The height of the 700 mb surface - ✔✔10000ft
One of two locations where high altitude CAT is most common - ✔✔Tropopause or Upper Front
The type of ice most common in cumulus - ✔✔Glaze/Clear
A State with the highest frequency of fog - ✔✔Pacific NW, Appalachia, New England
The first step in the model of flight crew actions for convective windshear - ✔✔Evaluate the weather
The radar indication of strong straightline winds - ✔✔Bow Echo
The object that would reflect the most sunlight on a visible satellite image - ✔✔Cumulonimbus
The type of mountain wave that produces a long train of ACSL - ✔✔Trapped Waves
The type of ice that produces runback - ✔✔Glaze
The type of fog that forms as air cools to saturation due to contact with a cold surface - ✔✔Adventction
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