AVMT 1103 - PETERS FINAL REVIEW - 12/3/25 - 99.9% correct - Updated 12/6/2025
Studied by 5 people
Call with Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/74
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No study sessions yet.
75 Terms
What property of sheet metal is most important when selecting a material to be formed into curved shapes?
Malleability.
2 multiple choice options
What two characteristics make aircraft aluminum skins easily worked?
It is malleable and ductile.
2 multiple choice options
What does the aluminum code number 1100 identify?
99% commercially pure aluminum.
2 multiple choice options
What is the main alloying element of 2024 aluminum?
Copper.
2 multiple choice options
Which aluminum alloy designation indicates no hardening or tempering treatment?
6063-O.
2 multiple choice options
The cast housing of a turbine engine gearbox must be quenched during the heat treatment process. Which of the following has the slowest cooling potential?
Oil.
2 multiple choice options
When torqueing a nut and bolt, where is it best to apply torque for accuracy?
Apply torque to the nut.
2 multiple choice options
Normalizing is a process of heat treating
iron-based metals only.
2 multiple choice options
Why is steel tempered after being hardened?
To relieve internal stresses and reduce brittleness.
2 multiple choice options
Case hardening may be in the form of
Carburizing, nitriding, or cyaniding.
2 multiple choice options
What is the core material of alclad 2024-T4?
Strain hardened aluminum alloy, and the surface material is commercially pure aluminum.
2 multiple choice options
Regarding the use of respirators when working with composite material; which is the best indication that the masks filters need to be replaced
You can smell resin with the mask on.
2 multiple choice options
What type of synthetic rubber offers the best resistance to aviation fuels and oils and is therefore used for fuel hoses, fuel tank linings, and gaskets.
Buna-N.
2 multiple choice options
What is a class three bolt thread?
A medium fit.
2 multiple choice options
When is an AN clevis bolt used in an airplane?
Only for shear load applications.
2 multiple choice options
A bolt with a raised or recessed triangle on the head is classified as
Close Toerance NAS aircraft bolt.
2 multiple choice options
Aircraft nuts are made of stainless steel, anodized 2024T aluminum alloy, or
Cadmium plated carbon steel.
2 multiple choice options
What precaution must be taken every time a self-locking nut is used on an aircraft?
Ensure the bolt is not subject to rotation.
2 multiple choice options
How is the locking feature of a nylon type locknut obtained?
By the use of an unthreaded nylon locking insert.
2 multiple choice options
Unless otherwise specified or required, aircraft bolts should be installed so the bolt head is facing.
So the bolt head is facing upward or in a forward direction.
2 multiple choice options
What is a helicoil insert used for?
To replace damaged threads in aircraft structures.
2 multiple choice options
What do torque values for tightening aircraft nuts and bolts relate to?
Clean, dry threads.
2 multiple choice options
What type of specialty fastener would be best suited to secure an aircraft cowling?
TurnLock fasteners.
2 multiple choice options
What is the most common reason why a fastener may become loose?
Vibration.
2 multiple choice options
Safety wire is always installed in a manner which
In a manner that exerts tension on the fastener.
2 multiple choice options
Which material is the most anodic?
Magnesium.
2 multiple choice options
in most cases corrosion on an aluminum surface typically appear?
As white or grey powder.
2 multiple choice options
1. In the corrosion process, it is the cothadic area or dissimilar cathodic material that corrodes
2. In the galvanic or electrochemical series for metals, the most anodic metals are those that will give up electrons most easily
Only 2 is True
2 multiple choice options
Which material is most cathodic?
Stainless Steel.
2 multiple choice options
Of the following, when and/or where is glavanic corrosion most likely to occur
At the interface of a steel fastener and aluminum alloy in the presence of an electrolyte.
1 multiple choice option
How is filiform corrosion best removed?
Abrasive Blasting.
2 multiple choice options
What is the best method to detect intergranular corrosion?
Mag-Particle inspection.
2 multiple choice options
Galvanic corrosion is most likely to be most rapid and severe when the surface area of the
When the surface area of the anodic metal is smaller than that of the cathodic metal.
2 multiple choice options
Which of the following may not be detectable even by careful visual inspection of the surface of aluminum parts or structures.
Intergranular corrosion.
2 multiple choice options
What is the lifting and flaking of metal due to corrosion called?
Exfoliation.
2 multiple choice options
What causes corrosion problems downstream of engine exhaust areas?
Chemical makeup of exhaust gases.
2 multiple choice options
When is fretting corrosion most likely to occur?
When two surfaces fit tightly together but can move relative to one another.
3 multiple choice options
Where is corrosion most likely to occur in a piano hinge attachment?
Contact between the hinge and the hinge pin.
2 multiple choice options
What procedure is recommended to keep aircraft control cables free of corrosion?
Keep cables coated with a light film of oil.
2 multiple choice options
Ferrous Oxide Corrosion is typically formed by
Atmospheric humidity.
2 multiple choice options
What is the principal benefit of an alclad aluminum surface?
Pure aluminum is less susceptible to corrosion than aluminum alloys.
2 multiple choice options
When an anodized surface coating is damaged in service, it can be partially restored by
Chemical Surface Treatment.
2 multiple choice options
Corrosion should be removed from magnesium parts with a
stiff hog bristle brush.
2 multiple choice options
A non-electrolytic chemical treatment for aluminum alloys to increase corrosion resistance and paint bonding qualities is called
Alodizing.
2 multiple choice options
Which of the following is an acceptable first step procedure to help prevent scratching when cleaning a transparent plastic surface?
Flush the surface with clean water.
2 multiple choice options
Select the solvent used to clean acrylics and rubber
Aliphatic naptha.
2 multiple choice options
The best tool for cutting aluminum tubing, or any tubing of moderately soft metal is a
Hand operated wheel-type tubing cutter.
2 multiple choice options
Metal tubing fluid lines are sized by wall thickness and
Outside diameter in 1/16th inch increments.
2 multiple choice options
Which statement is true regarding flattening of tubing in bends?
Flattening by not more than 25% of the original diameter is permissible.
2 multiple choice options
When bending metal tubing, what is the maximum amount of flattening permissible in the bend area of the tube?
Flattened portion diameter not less than 75% of the original tube diameter.
2 multiple choice options
Flexible hose used in aircraft systems is classified in size according to the
Inside diameter.
2 multiple choice options
Which of the following may be a result of over-torquing a flareless tube fitting
Weakening of the tube leading to failure.
2 multiple choice options
A gas or fluid line marked with the letters PHDAN is
Used to carry physically dangerous materials.
2 multiple choice options
If a standard AN flared fitting is colored black, what material is it made from?
Steel.
2 multiple choice options
When joining and torquing flared tubes and fittings,
Assure the connection is clean and dry.
2 multiple choice options
A scratch or nick in aluminum tubing can be repaired, provided it does not
Appear in the heel of a bend.
2 multiple choice options
Scratches or nicks on the straight portion of aluminum alloy tubing may be repaired if they are no deeper than
10% of the wall thickness.
2 multiple choice options
A flexible hose marked with the MIL-H-3000-Size-4-3/23. What does the 3/23 mean?
The hose was manufactured in the third quarter of 2023
2 multiple choice options
The primary purpose of providing suitable bends in fluid and pneumatic metal tubing runs is to
Prevent excessive stress on the tubing.
2 multiple choice options
Which of the following materials are compatible with phosphate-ester base hydraulic fluids? 1. Butly 2. Teflon 3. Buna-N 4. Neoprene
1 and 2.
2 multiple choice options
The term cold flow is generally associated with
Impressions left in natural synthetic rubber hose material.
2 multiple choice options
Flexible fluid lines must be installed with
Enough slack to allow maximum flexing during operation.
2 multiple choice options
When installing bonded clamps to support metal tubing,
Remove paint and anodizing from tube at clamp location.
2 multiple choice options
If a flexible hose with swaged fittings develops a leak;
The complete hose assembly with fittings must be replaced.
2 multiple choice options
When must a flexible hose assembly be pressure checked?
Upon its manufacturer.
2 multiple choice options
A certain amount of slack must be left in a flexible hose during installation because, when under pressure, it
Contracts in length and expands in diameter.
2 multiple choice options
What type of pliers are typically used for twisting safety wire?
Duck-Bill Pliers.
2 multiple choice options
Which file type will provide the smoothest cut and finest finish
A Mill File.
2 multiple choice options
Which tap type is used to cut full threads in a blind hole?
A Bottom Tap.
2 multiple choice options
Which system provides the most accuracy in measuring drill bit diameters
The numbering system sizes 1-80.
2 multiple choice options
Which number is represents the vernier scale graduation of a micrometer?
The number that represents the vernier scale graduation of a micrometer is .0001.
2 multiple choice options
Identify the correct statement
Dividers do not provide a reading when used as a measuring device.
2 multiple choice options
What tool is generally used to set a divider to an exact dimension?
Machinist scale or rule.
2 multiple choice options
If it is necessary to accurately measure the diameter of a hole approximately ¼" in diameter, the mechanic should use a
Small hole gauge determines the size of the hole by taking a micrometer reading of the ball end of the gauge.
1 multiple choice option
Which of the following is not an appropriate use of a center punch?
Removing rivets from holes.
2 multiple choice options