bullshit
What are the five basic stresses that you find in an aircraft?
Tension Compression, Torsion, Bending, and Shear
why would you use clad aluminum
clad aluminum alloys are less subjected to corrosion than uncoated aluminum alloys
what are the most common twist drills used in aviation
numbered
Silicon is what series
4000
head markings on rivets indicate what
the alloy of the rivet
What do the the numbers of the metal indicate for 1265?
1 means 99% commercially pure aluminum, Last two digits are the purity above the original 99%
In whole it is 99.65 Pure aluminum
what is the most common type of sheet metal used in aircraft construction
2024-t3
what are clecos used for
to temporarily hold metal together considered a temporary fastener
Copper is what series
2000
what rivet has no head marking and material code "A"
1100 aluminum alloy rivet
The two classes of aluminum are
Cast and Wrought
what is the primary cause of intergranular corrosion
improper heat treatment
what is important to remember when using a file
apply pressure on the forward stroke only except when filing very soft metals
Magnesium is what series
5000
what would you use an 1100 aluminum alloy rivet on
non structural applications only
zinc is what series
7000
What does the temper designation "O" indicate
what is the advantages and disadvantages of cast parts?
disadvantage not repairable
Silicon and magnesium is what series
6000
what is the most widely used rivets in aircraft construction
2117
type of alloy, thickness in thousandths of an inch, mil-spec number, alclad or bare, heat treatment condition, lot number
what does the temper designation "T" indicate
heat treated
toe nailed happens because of what
using too long of a rivet
Manganese is what series
3000
what needs to be done to a 2117 alloy rivet before using them