AMT Airframe Structures 3

Question 1

What term describes the gradual reduction in wing thickness and/or chord from root to tip?

Accepted Answer

Taper

Answer

Sweep

Answer

Dihedral

Answer

Washout

Question 2

A 100% visual inspection of a welded aircraft steel tube fuselage should include checking for:

Accepted Answer

Cracks, dents, and evidence of overheating in the heat-affected zone

Answer

Paint color consistency

Answer

Antenna mount alignment

Answer

Interior upholstery condition

Question 3

What is the correct term for the angle between the wing chord line and the longitudinal axis of the aircraft?

Accepted Answer

Angle of incidence

Answer

Angle of attack

Answer

Dihedral angle

Answer

Sweepback angle

Question 4

In the damage tolerance design philosophy, what is the primary goal regarding structural cracks?

Accepted Answer

Ensure cracks grow slowly enough to be detected before failure

Answer

Prevent any crack formation in the structure

Answer

Eliminate all stress concentrations

Answer

Use only composite materials to avoid cracks

Question 5

What is the primary structural function of a honeycomb core in a sandwich composite panel?

Accepted Answer

Provide shear rigidity and separate the face sheets

Answer

Carry primary tensile loads

Answer

Act as a moisture barrier

Answer

Conduct electrical current for lightning protection

Question 6

Which rivet material is typically used to join magnesium alloy aircraft structures?

Accepted Answer

5056 aluminum alloy

Answer

2117-T4 aluminum alloy

Answer

Stainless steel

Answer

Monel

Question 7

What does the term "fail-safe" mean in aircraft structural design?

Accepted Answer

Multiple load paths exist so failure of one member does not cause total structural failure

Answer

The structure never fails under any load

Answer

All fasteners are safety-wired

Answer

The structure is inspected after every flight