AP GN Materials and Processes

Magnetic particle inspection is used primarily to detect

Liquid penetrant inspection methods may be used on which of the following?

Which of these nondestructive testing methods is suitable for the inspection of most metals, plastics, and ceramics for surface and subsurface defects?

Which of the following defects are not acceptable for metal lines?

What nondestructive testing method requires little or no part preparation, is used to detect surface or near-surface defects in most metals, and may also be used to separate metals or alloys and their heat-treated conditions?

What method of magnetic particle inspection is used most often to inspect aircraft parts for invisible cracks and other defects?

Which of the following factors are considered essential knowledge for X-ray exposure?

The testing medium that is generally used in magnetic practice inspection utilizes a ferromagnetic material that has

Which statement relating to the residual magnetizing inspection method is true?

A mechanic has completed a bonded honeycomb repair using the potted compound repair technique. What nondestructive testing method is used to determine the soundness of the repair after the repair has cured?

What two types of indicating mediums are available for magnetic particle inspection?

Which of the following materials may be inspected using the magnetic particle inspection method?

One way a part may be demagnetized after magnetic particle inspection is by

Which type crack can be detected by magnetic particle inspection using either circular or longitudinal magnetization?

Which of the following methods may be suitable to use to detect cracks open to the surface in aluminum forgings and castings?

To detect a minute crack using dye penetrant inspection usually requires

Which of the following is a main determinant of the dwell time to use when conducting a dye or fluorescent penetrant inspection?

When checking an item with the magnetic particle inspection method, circular and longitudinal magnetization should be used to

In magnetic particle inspection, a flaw that is perpendicular to the magnetic field flux line generally causes

If dye penetrant inspection indications are not sharp and clear, the most probable cause is that the part

(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 may be demagnetized by subjecting it to a magnetizing force from direct current that is alternately reversed in direction and gradually reduced in strength.

Regarding the above statements,

The pattern for an inclusion is a magnetic particle buildup forming

A part which is being prepared for dye penetrant inspection should be cleaned with

Under magnetic particle inspection, a part will be identified as having a fatigue crack under which condition?

In performing a dye penetrant inspection, the developer

What defects will be detected by magnetizing a part using continuous longitudinal magnetization with a cable?

Circular magnetization of a part can be used to detect which defects?

(1) In nondestructive testing, a discontinuity may be defined as an interruption in the normal physical structure or configuration of a part.

(2) A discontinuity may or may not affect the usefulness of a part.

Regarding the above statements.

What type of corrosion may attack the grain boundaries of aluminum alloys when the heat treatment process has been improperly accomplished?

Which of the following describes the effects of annealing steel and aluminum alloys?

Which heat-treating process of metal produces a hard, wear-resistant surface over a strong, tough core?

Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride-content?

Normalizing is a process of heat treating.

Which of the following occurs when a mechanical force such as rolling, hammering, or bending is repeatedly applied to most metals at room temperature?

The reheating of a heat-treated metal, such as with a welding torch

Why is steel tempered after being hardened?

What aluminum alloy designations indicate that the metal has received no hardening or tempering treatment?

Which material cannot be heat treated repeatedly without harmful effects?

What is descriptive of the annealing process of steel during and after it has been annealed?

Torque values for aircraft bolts normally consider

What is generally used in the construction of aircraft exhaust collectors, stacks, and manifolds?

What metal has special short-time heat properties and is used in the construction of aircraft firewalls?

Unless otherwise specified or required, aircraft bolts should be installed so that the bolthead is

Alclad is a metal consisting of

A fiber-type, self-locking nut must never be used on an aircraft if the bolt is

Self-locking nuts may be used on aircraft provided that

The Society of Automotive Engineers (SAE) and the American Iron and Steel Institute use a numerical index system to identify the composition of various steels, in the number “4130” designating chromium molybdenum steel, the first digit indicates the

Refer to Figure 42. Which of the bolthead code markings shown identifies an AN corrosion resistant steel bolt?

Aircraft bolts with a cross or asterisk marked on the bolthead are

Which statement regarding aircraft bolts is correct?

Generally speaking, bolt grip lengths should be

When the specific torque value for nuts is not given, where can the recommended torque value be found?

Refer to Figure 43. Identify the clevis bolt illustrated.

A particular component is attached to the aircraft structure by the use of an aircraft bolt and a castle tension nut combination. If the cotter pin hole does not align within the recommended torque range, the acceptable practice is to

A bolt with a single raised dash on the head is classified as an

How is a clevis bolt used with a fork-end cable terminal secured?

Where is an AN clevis bolt used in an airplane?

A bolt with an X inside a triangle on the head is classified as an

The cone material of Aclad 2024-T4 is

The aluminum code number 1100 identifies what type of aluminum?

Airport bolts are usually manufactured with a

In the four-digit aluminum index system number 2024, the first digit indicates

How is the locking feature of the fiber-type locknut obtained?

Why should an aircraft maintenance technician be familiar with weld nomenclature?

Refer to Figure 44. Identify the weld caused by an excessive amount of acetylene.

Refer to Figure 44. Select the illustration that depicts a cold weld.

Why is it considered good practice to normalize a part after welding?

Holes and a few projecting globules are found in a weld. What action should be taken?

Which condition indicates a part has cooled too quickly after being welded?

Select a characteristic of a good gas weld.

One characteristic of a good weld is that no oxide should be formed in the base metal at a distance from the weld of more than

In examining and evaluating a welded part, a mechanic should be familiar with

Refer to Figure 45. What type weld is shown at A?

Refer to Figure 45. What type weld is shown at B?

Refer to Figure 45. What type weld is shown at G?

On a fillet weld. the penetration requirement includes what percentage(s) of the base metal thickness?

Which tool can be used to measure the alignment of a rotor shaft or the plane of rotation of rotation of a disk?

Refer to Figure 46. The measurement reading on the illustrated micrometer is

Identify the correct statement.

Refer to Figure 47. What is the measurement reading on the vernier caliper scale?

Which tool is used to measure the clearance between a surface plate and a relatively narrow surface being checked for flatness?

Which number represents the vernier scale graduation of a micrometer?

Which tool is used to find the center of a shaft or other cylindrical work?

Refer to Figure 48. What does the micrometer read?

If it is necessary to accurately measure the diameter of a hole approximately 1/4 inch in diameter, the mechanic should use a

Refer to Figure 49. The measurement reading on the micrometer is

What tool is generally used to set a divider to an exact dimension?

What tool is generally used to calibrate a micrometer or check its accuracy?

What precision measuring tool is used for measuring crankpin and main bearing journals for out-of-round wear?

The side clearances of piston rings are measured with a

How can the dimensional inspection of a bearing in a rocker arm be accomplished?

The twist of a connecting rod is checked by installing push-fit arbors in both ends, supported by parallel steel bars on a surface plate. Measurements are taken between the arbor and the parallel bar with a

What may be used to check the stem on a poppet-type valve for stretch?

Which tool can be used to determine piston pin out-of-round wear?