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CTO Exam (15Q).
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Exam of 18 pages for the course APCO CTO 6 - ALL Quizzes/Final at APCO CTO 6 - ALL Quizzes/Final (CTO Exam (15Q).)
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CTO Exam (15Q)The uneven heating of adjacent bodies of air causing warm air to be drawn upwards,
and more dense air downward defines - ANS-Convective Currents
Air is deflected to the right in the Northern Hemisphere and to the left in the Southern
Hemisphere due to - ANS-The Coriolis Force
A narrow, high-speed, meandering band of air moving at high altitude is called a(n) -
ANS-Jet stream
Clear Air Turbulence (CAT) most generally occurs at high altitudes and in the vicinity of -
ANS-The jet stream
In the Northern Hemisphere, air movement around a low pressure center flows in a(n)
___________________________ direction - ANS-Counterclockwise
When a mass of cold air replaces warm air, a ___________ front occurs - ANS-Cold
Behind a fast moving cold front, you can expect _________________ skies with gusty
and turbulent winds. - ANS-Clearing
Warm air slides over a wedge of colder air when a __________ front progresses
forward. - ANS-Warm
The three principle types of fronts are cold, warm, and - ANS-Stationary
The standard pressure at sea level is _____________ inches of mercury. - ANS-29.92
An altimeter depicts indicated altitude, which is altitude expressed as height above -
ANS-Sea level
Two types of barometers used to
measure atmospheric pressure are
_________ and _________. - ANS-Aneroid, Mercurial
Lines drawn on a weather map around
pressure areas to connect the points of
equal pressure are called - ANS-Isobars
,The decrease of temperature with and increase in height is defined as - ANS-Lapse rate
(Adiabatic)
In the troposphere, the lapse rate is approximately - ANS-Two degrees centigrade per
one thousand feet
An increase in temperature of the atmosphere with an increase of altitude height defines
a(n) - ANS-Inversion
Pressure, temperature, and humidity are used to determine - ANS-Air density
The three types of aircraft icing are - ANS-Clear, Rime, and Mixed
Clear ice is considered dangerous to aircraft in flight because it is - ANS-Difficult to
remove
When the rate of accumulation is such that deicing/anti-icing equipment fails to reduce
or control the hazard best defines as - ANS-Severe Icing
Wind direction is determined by the direction - ANS-FROM WHICH the wind is blowing
Wind speed is the average speed given in - ANS-Knots
Small, dangerous downdrafts of wind extending horizontally 2.5 miles or less with wind
speeds up to 150 knots are known as - ANS-Microbursts
A change in wind speed and/or direction in a short distance is a - ANS-Windshear
Airports equipped with Low Level Wind Shear Alert System (LLWAS) network expansion
(LLWAS systems integrated with Terminal Doppler Weather Radar (TDWR) and TDWR
systems) provides the capability of detecting wind shear alerts and - ANS-Microburst
activity
The weather phenomenon particularly hazardous to aviation is - ANS-Thunderstorm
The initial stage of a thunderstorm is from a _____________ cloud. - ANS-Cumulus
The mature stage of a thunderstorm is reached when - ANS-Precipitation begins
, A violently rotating column of air in contact with the ground and associated with a
thunderstorm is called a - ANS-Tornado
A squall line is a narrow band of active - ANS-Thunderstorms
The two greatest thunderstorm hazards to an aircraft are - ANS-Hail and Turbulence
The most common forms of precipitation which cause restrictions to visibility are -
ANS-Rain, Drizzle, Snow
Rain rarely reduces surface visibility to less than - ANS-One mile
One of the most common and persistent weather hazards encountered in aviation is -
ANS-Fog
The most frequent cause of surface visibility below 3 miles is - ANS-Fog
Two basic types of cloud formations are - ANS-Cumulus and Stratus
Clouds formed by vertical currents of unstable air are called - ANS-Cumulus clouds
Clouds formed by the cooling of unstable air are called - ANS-Stratus clouds
Station identifiers for all weather reporting stations in the continuous United States will
begin with the letter - ANS-K
"Broken sky cover means that _____ through _____ of the sky is obscured by clouds -
ANS-5/8 7/8
In METAR report, the height of the base of each cloud layer is reported in _____ of feet
Above Ground Level (AGL) - ANS-Hundreds
Decode "SCT020 BKN 250" - ANS-Two thousand scattered ceiling two five thousand
broken
Decode "Few 025 TCU SCT040" - ANS-Few clouds at two thousand five hundred
towering cumulus four thousand scattered
Decode "CIG 005V008" - ANS-Ceiling variable between five hundred and eight hundred
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