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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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Selected Answer: ●

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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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Selected Answer: ●

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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TESTED

Question 2
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1 out of 1 points

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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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1 out of 1 points ●

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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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Question 6
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1 out of 1 points

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Silky, fibrous fracture surface with a dull, fine texture is a failure ● characteristic of

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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