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Hydraulic systems normally need to be examined for part failure and
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fluid contamination.
Question 2
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A "feathered" prop means the prop has been placed (by the pilot or automatically when the engine fails) into a locked low drag position to prevent excessive wind milling and drag on the airplane.
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True
Question 3
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Turbine engines are constructed of special "tempproof" alloys which are not susceptible to thermal damage or melting.
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False
Question 4
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Two flows that should be examined on any turbine suffering thermal damage are
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oil and air.
Question 5
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1 out of 1 points
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Two basic types of rotor systems found on helicopters are
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semirigid and fully articulated. Question 6
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If turbine blades are intact, but coated with a metallic grit looking like rough emery paper, this may be evidence that something might have melted down somewhere forward of the turbine hot section and impinged on the vanes/blades.
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True
Question 7
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"PIXTOW" is an acronym for system analysis with the "X" meaning●
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Xray it.
Question 8
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A determination can be made if propellers were turning at impact by examining ●
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chordwise scratches, blades bent opposite of rotational direction and 'S' compressions on the trailing edge of the prop ●
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What acronym is a onscene checklist for the accounting of major aircraft structures and aircraft parts?
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Selected Answer: ●
TESTED
Question 2
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What are the three phases of growth for a fatigue crack?
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initiation; propagation; critical length phase Question 3
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What are the two categories of midair collision mishaps?
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associated and non associated Question 4
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The five general types of structural loads on aircraft are
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tension, compression, shear, bending and torsion Question 5
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The natural disintegration of a material as it is attacked by one or ● more substances in its environment is called corrosion.
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True
Question 6
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Silky, fibrous fracture surface with a dull, fine texture is a failure ● characteristic of
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Selected Answer: ●
ductile material.
Question 7
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Part of the investigator's job is to examine all restraint systems even though they were not part of the mishap cause.
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1 out of 1 points