12 Questions
What does the first two digits in an SAE number indicate?
Type of steel
Which metal is widely used in modern aircraft construction?
Titanium
What is the role of copper in the text?
Widely distributed metal
What is the purpose of spark testing mentioned in the text?
Identifying various metals
Which range of carbon content characterizes high carbon steel?
$0.50 - 1.05$%
What does AISI stand for in the text?
American Iron and Steel Institute
What property is most important for an aircraft material to resist deformation and stress without breaking?
Elasticity
Which property refers to the weight of a unit volume of a material and is an important consideration to maintain the proper weight and balance of an aircraft?
Density
What property enables a metal to be permanently drawn, bent, or twisted, and is essential in making wire and tubing?
Ductility
Which type of aluminum is prone to breaking or cracking when subjected to stress without changing its shape?
Cast aluminum
What is the property that refers to the ability of a material to resist abrasion, penetration, and cutting action?
Hardness
What property allows a metal to withstand tearing or shearing, making it a desirable property in aircraft metals?
Toughness
Test your knowledge on the properties of aluminum alloys used in aircraft components such as the cowl ring, fuselage, wing skin, and more. Questions cover topics like hardness, strength, density, and weight considerations for maintaining proper aircraft balance.
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