ATSC 231 LATEST 2024 EXAM QUESTIONS AND ANSWERS ALL CORRECT
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Course
ATSC 231
Institution
ATSC 231
ATSC 231 LATEST 2024 EXAM QUESTIONS AND ANSWERS ALL CORRECT
What factors determine the liquid water content in clouds? - Answer temperature and age of cloud
What type of icing occurs in cirrus clouds? - Answer no icing
What are the characteristics of young clouds? - Answer shorter time f...
ATSC 231 LATEST 2024 EXAM
QUESTIONS AND ANSWERS ALL
CORRECT
What factors determine the liquid water content in clouds? - Answer ✔ temperature and
age of cloud
What type of icing occurs in cirrus clouds? - Answer ✔ no icing
What are the characteristics of young clouds? - Answer ✔ shorter time for ice crystals to
form, mostly liquid water, crisp edges
What are the characteristics of old clouds? - Answer ✔ longer time for ice crystals to
form, mis of ice crystals & liquid water, fuzzy edges
What are the two general characteristics required for the formation of clouds with
significant amounts of supercooled liquid? - Answer ✔ suspended liquid water droplets
and temperatures colder than 0°C
What are common locations for structural icing and their characteristics? - Answer ✔
mountains, lake effect, supercooled fog, fronts
What conditions produce SLD's? - Answer ✔ warm fronts caused by shear at cloud top
Which force of flight is effected the most by icing? - Answer ✔ drag
How does icing effect thrust? - Answer ✔ unknown
How does icing effect lift? - Answer ✔ 30% decrease
How does icing effect weight? - Answer ✔ 2% increase
How does icing effect drag? - Answer ✔ 100% increase
What is the positive feedback loop that results from underwing icing? - Answer ✔ AOA
efficiency decreases as ice accumulation increases
, How does icing effect the stall characteristics? - Answer ✔ critical AOA decreases stall
speed increases (with no warning), and more
What is the cause of a tailplane stall? - Answer ✔ tail accumulates more ice than the
wing and stalls before the wing as it has a negative AOA
What conditions are most favorable for a tailplane stall? - Answer ✔ increased airspeed
and flap deployment
What conditions lead to inadvertent roll upset? - Answer ✔ wing tip may stall first
making ailerons ineffective which causes ailerons to snatch
What are the characteristics of propeller icing? - Answer ✔ ice accumulation, reduced
thrust, pilot unaware
How does icing effect flight visibility? - Answer ✔ ice accretion on windscreen may
prevent runway runway identification
What conditions produce icing on the windscreen? - Answer ✔ moderate to severe icing
What are characteristics of instrument icing? - Answer ✔ smallest objects on the aircraft
accumulate ice first
What can prevent instrument icing? - Answer ✔ anti-ice
What locations of the airplane will ice accumulate first? - Answer ✔ protruding objects
What are the visual cues of supercooled large drops while airborne? - Answer ✔ ice aft
of protected areas, unheated side windows ice coating, ridges of ice on windows,
unusually extensive ice coverage of airframe
Are AIRMETs given in MSL or AGL? - Answer ✔ MSL
Are METARs given in MSL or AGL? - Answer ✔ AGL
What icing products are produced by the AWC? - Answer ✔ current icing SIGMETs,
current icing aircraft report, forecast icing, and freezing level
What hazards exist when there are contaminate that remain on critical surfaces of the
aircraft during takeoff? - Answer ✔ reduces lift, increases drag, increases stall speed,
abnormal pitch-up moment
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