| Question | Answer |
| What method of magnetic particle inspection is used most often to inspect aircraft parts for invisible cracks and other defects | continuous |
| What metal has special short-time heat properties and is used in the construction of aircraft firewalls? | titanium alloy |
| If it is necessary to accurately measure the diameter of a hole approximately 1/4 inch in diameter, the mechanic should use a___ | small-hole gauge |
| Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content? | case hardening |
| (1) An aircraft part may be demagnetized by subjecting it to a magnetizing force from alternating current that is gradually reduced in strength.
(2) An aircraft part may be demagnetized by subjecting it to a magnetizing force from direct current that is | Both 1 and 2 are true |
| When the specific torque value for nuts is not given, where can the recommended torque value be found? | in AC 43.13-1B on page 7-9 |
| Dividers do not _______ when they are used as a measuring device | provide a reading |
| What is descriptive of the annealing process of steel during and after it has been annealed? | Slow cooling and low strength |
| When performing a dye penetrant inspection, what does the developer do? | Acts as a blotter to produce a visible indication |
| What two types of indicating mediums (materials) are available for magnetic particle inspection? | Wet and dry process materials |
| What is the pattern for an inclusion is a magnetic particle buildup forming? | parallel lines. |
| What tool is generally used to set a divider to an exact
precise dimension? | A machinist scale |
| Circular magnetization of a part can be used to detect which defects? | defects parallel to the long axis of the part |
| Which condition indicates a part has cooled too quickly after being welded? | Cracking adjacent to the weld |
| Residual magnetizing inspection method may be used with what material? | Steels that have been heat treated |
| What precision measuring tool is used for measuring crankpin and main bearing journals for out-of-round wear? | |
| a T-Gauge is also called what? (im putting this cause i didnt know and it annoyed me) | telescopic gauge |
| What defects are not acceptable for metal lines? | 1. Cracked flare
2. Seams
3. Dents in the heel of a bend less than 20% of the diameter
5. Dents in straight section that are 20% of tube diameter |
| A part which is being prepared for dye penetrant inspection should be cleaned with | Volatile petroleum-based solvent to make them as cleaned as posible |
| In examining and evaluating a welded joint, a mechanic should be familiar with | ambient exposure conditions,
intended use of the part,
type of weld, and
original part material composition. |
| What aluminum alloy designations indicate that the metal has received no hardening or tempering treatment?
H36, O, or F | F means 'as fabricated.' There has been no control over its temper. |
| Normalizing is a process of heat treating what? | Iron-base metal only |
| Magnetic particle inspection is used primarily to detect defects where? | detect flaws on or near the surface |
| Aircraft bolts are usually manufactured with what type of class fit? | Class 3 which is medium fit. It is used on almost all standard aircraft bolts. |
| Which material cannot be heat treated repeatedly without harmful effects? | Clad aluminum alloy. |
| Which tool is used to find the center of a shaft or other cylindrical work? | Combination set. |
