ATSC 231 Block 4 Answers to all assignments Question and answers rated A+
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ATSC 231
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ATSC 231
ATSC 231 Block 4 Answers to all assignments Question and answers rated A+
What are the conditions that produce inlet icing? - correct answer Temperatures less than 0*C and visible moisture
_____ icing is defined as ALL TYPES of icing that affects powerplant operation and includes carburetor...
atsc 231 block 4 answers to all assignments questi
atsc 231 block 4 answers to all assignments
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ATSC 231 Block 4 Answers to all
assignments Question and answers
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What are the conditions that produce inlet icing? - correct answer
✔Temperatures less than 0*C and visible moisture
_____ icing is defined as ALL TYPES of icing that affects powerplant
operation and includes carburetor and inlet icing? - correct answer
✔Induction
True or false: Icing caused the highest percentage of Part 91 aircraft
accidents as documented in the FAA's Safety Information Analysis and
Sharing System's study during the period of 1994-2003. - correct answer
✔False
What are the symptoms of inlet icing for a FIXED PITCH PROPELLER
airplane? - correct answer ✔Gradual loss of power (RPM) and engine
roughness
What is the antidote for inlet icing for piston powered airplanes? - correct
answer ✔Either alternate air or carburetor heat
What are the symptoms of carburetor icing for a FIXED PITCH PROPELLER
airplane? - correct answer ✔Gradual loss of power (RPM) and engine
roughness
What are the symptoms of inlet icing for a CONSTANT SPEED PROPELLER
airplane? - correct answer ✔Gradual loss of manifold pressure and engine
roughness
,True or False: Student pilots had the highest number of icing accidents as
documented in the NTSB statistical analysis of icing accidents for the period
of 1982-2000 - correct answer ✔False
True or False: Icing caused the highest percentage of aircraft accidents over
"all categories" of operation as documented in the FAA's Safety Information
Analysis and Sharing System's study during the period of 1994-2003 - correct
answer ✔False
True or False: Carburetor icing occurs only in visible moisture - correct
answer ✔False
True or False: The Code of Federal Regulations 14 Part 25 Appendix C does
not provide for the certification of airplanes for ice protection in clouds with
supercooled large drops (SLD's) - correct answer ✔True
An icing rate of between 1/4th and 1 inch per hour on unprotected surfaces is
classified as: - correct answer ✔Light
Which type of ice accumulates on a protected surface between actuation
cycles of a deicing system? - correct answer ✔Intercycle ice
Ice, sometimes clear and smooth, but usually containing some air pockets,
which results in a lumpy translucent appearance is classified as: - correct
answer ✔Clear or glaze
True or False: All aircraft are required to have ice protection for their
propulsion systems in case of an inadvertent icing encounter. - correct
answer ✔True
, The rate of ice accumulation in which ice becomes perceptible and the rate of
accumulation slightly greater that rate of sublimation is known as: - correct
answer ✔Trace
According to 14 CFR Part 91, for which flights does a pilot need to obtain
weather reports and forecasts? - correct answer ✔Flights under IFR and
flights not in the vicinity of an airport
An icing rate of more than 3 inches per hour on unprotected surfaces is
classified as: - correct answer ✔Severe
An icing rate of less than 1/4th inch per hour on unprotected surfaces is
classified as - correct answer ✔Trace
Which type of ice forms from the freezing or refreezing of water leaving
protected surfaces and running back to unprotected surfaces? - correct
answer ✔Runback ice
How does the expected ice type change with liquid water content? - correct
answer ✔Rime ice can be expected at warmer temperatures with low liquid
water contents
Which of the following factors DOES NOT affect the thermodynamics of
freezing of water droplets on an aircraft structure? - correct answer
✔Geometry of the collecting surface
How does the collection efficiency of water droplets on an aircraft structure
change with drop size? - correct answer ✔The collection efficiency is greater
for bigger drop sizes
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