Materials And Processes Study Guide

Q.8294 Which number represents the vernier scale graduation of a micrometer?

A- .0001

Q.8296(Refer to Figure 48.) What does the micrometer read?

A- .3004

Q.8290 (Refer to figure 46.) The measurement reading on the micrometer is

A- 0.2851

Q.8292 (Refer to figure 47.) what is the measurement reading on the vernier scale

A- 1.436

Q.8262 (Refer to Figure 42.) Which of the bolt head code markings shown identifies an AN corrosion resistant steel bolt?

A- 3

Q.8267 (Refer to figure to figure 43) Identify the clevis bolt illustrated

A- 3

Q.8253 What aluminum alloy designations indicate that the metal has received no hardening or tempering treatment

A- 3003-F

Q.8274 The aluminum code number 1100 identifies what type of aluminum?

A- 99% commercially pure aluminum

Q.8266 When the specific torque value for nuts is not given, where can the recommended torque values be found?

A- AC 43.13.-1B

Q.8269 A bolt with a single raised dash on the head is classified as an

A- AN corrosion-resistant steel bolt.

Q.8285 (Refer to Figure 45.) What type of weld is shown at A?

A- Butt

Q.8277 How is the locking feature from the fiber-type locknut obtained

A- By the use of a non threaded fiber locking insert

Q.8251 The reheating of a heat treated metal, such as with a welding torch

A- Can significantly alter a metal's properties in the reheated area

Q.8250 Which heat treating process of metal products a hard, wera- resistance over a strong, tough core

A- Case hardening

Q.8246 Which of the following describe the effects of annealing steel and aluminum alloys

A- Decreasing internal stresses and softening of the metal

Q.8222 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

A- Eddy Current inspection

Q.8265 Genuinely speaking, bolt grip lengths should be

A- Equal to the thickness of the material which is fastened together.

Q.8220 Liquid penetrant inspection methods may be used on which of the following

A- Ferrous and nonferrous metals and non porous plastics

Q.8219 Magnetic particle inspection is used primarily to detect

A- Flaws on or near the surface

Q.8273 The core material of Alclad 2024-T4 is

A- Heat treated aluminum alloy, and the surface material is commercially pure aluminum

Q.8264 Which statement regarding aircraft bolts is correct?

A- In general, bolt grip lengths should equal the material thickness.

Q.8287 (Refer to figure 45.) What type of weld is shown at G?

A- Lap

Q.8299 What tool is generally used to set a divider to an exact dimension?

A- Machinist scale.

Q.8227 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?

A- Metallic ring test

Q.8307 Which tool can be used to determine piston pin out of round wear

A- Micrometer caliper

Q.8272 A bolt with an X inside a triangle is classified as an

A- NAS close tolerance bolt

Q.8271 Where is an AN clevis bolt used in an aircraft?

A- Only to shear load application

Q.8257 What metal is genuinely used in the construction of the aircraft exhaust collectors, stacks, and manifolds

A- Stainless steel

Q.8276 In the four-digit aluminum index system number 2024, the first digit indicates

A- The major alloying element

Q.8279 (Refer to figure 44.) Select the illustration which depicts a cold weld

A- The one that's balled up and shallow

Q.8256 Torque values for aircraft bolts normally consider

A- The threads to be clean and dry

Q.8293 Which tool is used to measure the clearance between a surface plate and a relatively narrow surface being checked for flatness?

A- Thickness gauge

Q.8221 Which of these nondestructive testing methods is suitable for the inspection of most metals, plastics, and ceramics for the surface and subsurface defects?

A- Ultrasonic Inspection

Q.8270 How is a clevis bolt used with a fork-end cable terminal secured

A- With a shear nut tightened to a snug fit.

Q.8268 A patellar 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- change washers and try again.

Q.8295 Which tool is used to find the center of a shaft

A- combination set

Q.8282 Which condition indicates a part has cooled too quickly after being welded

A- cracking adjacent to the weld

Q.8291 Identify the correct statement - An outside micrometer is limited to measuring diameters, Tools used on certificated aircraft must be an approved type, dividers do not provide a reading when used as a measuring device.

A- dividers do not provide a reading when used as a measuring device.

Q.8286 (Refer to figure 45.) What type of weld is at B?

A- double butt

Q.8300 What tool is genuinely used to calibrate a micrometer or check its accuracy

A- gauge block.

Q.8259 Alclad is a metal consisting of

A- pure aluminum surface layers on an aluminum alloy core.

Q.8263 Aircraft bolts with a cross or asterisk marked on the bolt heads are

A- standard steel bolts

Q.8260 A fiber-type, self-locking nut must never be used on an aircraft if the bolt is

A- subject to rotation

Q.8258 Unless otherwise specified or required, aircraft bolts should be installed so that the bolt head is

A- upward, or in a forward direction

Q.8298 (Refer to Figure 49) The measurement reading on the micrometer is

A-.2792

Q.8245 What type of corrosion may attack the grain bound-aries of aluminum alloys when the heat treatment process has been improperly accomplished?

A-Intergranular