Volume 2-UR Flashcards Preview

ndi > Volume 2-UR > Flashcards

Flashcards in Volume 2-UR Deck (70)
Loading flashcards...
1

which property of metal do you not want to increase through alloying? (A) Strength (B) Elasticity (C) Hardness (D) Toughness

B. elasticity

2

the physical structure of metal is in what form?

crystalline

3

the process of improving a metal's characteristics by altering its grain structure is known as ....

heat-treating

4

what is a reaction to an applied force called?

Strain

5

The term for a metal's ability to absorb energy without fracturing is ....

toughness

6

Which metallurgical numbering system uses the identification of steel as its basis?

Society of Automotive Engineers

7

The term NDI indication refers to ...

evidence resulting from a rocess

8

which of the following is not an inherent discontinuity? (A) Lap (B) Pipe (C) Porosity (D) Shrinkage

A. Lap

9

A secondary processing defect would not be cause by ... (A) heat-treating (B) machining (C) grinding (D) casting

D. casting

10

Which statement is most accurate regarding fatigue crack progression? (A) progression causes stress (B) Progression rates will vary (C) Progression is usually slow (D) Progression is instantaneous

B. progression rates will vary

11

What form of corrosion is indicated by a white or gray powdery deposit on the surface of a part?

pitting

12

Stress corrosion is caused by ...

tensile stress and corrosion

13

The two basic processes used to weld parts together are ...

adhesion and fusion

14

Which of the following is not listed as being linked in the probability of detection (POD) evaluation process? (A) Aircraft design engineers (B) NDI flight line technicians (C) DOD JOAP office manager (D) AF structural integrity engineers

C. DOD JOAP office manager

15

Which of the following is not a result of improper part preparation for NDI? (A) harm to the part (B) hazardous residues (C) hidden critical defects (D) Contaminated NDI materials

B. hazardous residues

16

which condition is not an example of a tightly held soil?
(A) partially burned petroleum products
(B) residue from evaporated fuel
(C) Dry film lubricants
(D) Viscous oils

D. Viscous Oils

17

You ensure that all penetrant developer residue is removed from a part because the penetrant ....

may cause corrosion

18

which of the following is not an action of an alkaline cleaner?
(A) Wetting
(B) Dissolving
(C) Penetrating
(D) Emulsifying

B. Dissolving

19

One characteristic of a detergent cleaner is that it must be ...

noncorrosive

20

where would you find pre-cleaning procedures in a -36 inspection technical order?

preparation of part

21

What should you do with steel parts after post cleaning with a solvent?

Treat them with light oil

22

NDI techniques are classified as ...

instructions

23

Which form do you sue to submit your new NDI technique for review and publication?

AFTO Form 242

24

Who validates new NDI techniques and acts to incorporate them into applicable technical manuals?

ALC NDI program managers

25

What must be accomplished on a stereo zoom microscope whenever operators change?

initial focusing

26

What is engraved on stereo zoom microscope lenses, eyepieces, and the zoom control knob?

initial magnification ratings

27

What instrument is used to transmit light in a curved path?

fiberscope

28

what do you use to clean optical lenses that have protective coating?

water

29

Eyepieces for the stereo zoom microscope and stored ...

on the power body

30

penetrants need to have good solvent properties in order to ...

hold dyes in solution