AS111 Study Guide

Question 1

What nondestructive testing method is suitable for the inspection of most metals, plastics, and ceramics for surface and subsurface defects?

Answer 1

Ultrasonic

Question 2

Parts that are to be inspected using a liquid penetrant _______________ be cleaned with an abrasive blast.

Answer 2

Should not

Question 3

What are the (3) types of liquid penetrants used for inspections?

Answer 3

Post Emulsifying
Solvent Removable
Water soluble

Question 4

A mechanic has completed a bonded honeycomb repair using the potted repair technique. What NDT method is used to determine the soundness of the repair?

Answer 4

metal ring and coin tap

Question 5

Name your welds

Answer 5

A =Butt
B =Double butt
D =Spotted
E =Fillet
F =Edge
G =Lap

Question 6

What NDT methods may be suitable to use to detect cracks open to the surface in aluminum forged or cast parts?

Answer 6

visual, dye penetrant, eddy current, and ultrasonic.

Question 7

What NDT method requires little to no preparation?

Answer 7

Eddy Current

Question 8

What NDT method is used to detect surface or near-surface defects in most metals ?

Answer 8

Magnetic Particle Inspection (eddy current)

Question 9

The ____ _____ uses a bundle of optical glass fibers.

Answer 9

Fiber Optic

Question 10

A correctly made butt weld will have what penetration?

Answer 10

100%

Question 11

Name (4) tools that are commonly used to assist in making visual inspections?

Answer 11

Flashligh, Magnifying glass, mirror, boroscope

Question 12

What NDT method can be used to separate metals or alloys and their heat-treatment conditions?

Answer 12

Eddy current

Question 13

Write the steps involved in a dye penetrant inspection.

Answer 13

Clean, Apply penetrant, Dwell, Remove penetrant, Dry?, Apply Developer, Inspect results

Question 14

A correctly made butt weld will have what bead width ______ to _____ times the
thickness of the ______ metal.

Answer 14

3 to 5 times the base

Question 15

When magnetizing a part for inspection, it must be magnetized in such a way that the lines of flux are _________________________ to the suspected fault.

Answer 15

Perpendicular

Question 16

The three types of electrical current that may be used to magnetize a part for inspection are:

Answer 16

Half
alternating
direct

Question 17

AC magnetization is best suited for locating _______________ faults.

Answer 17

surface

Question 18

What are the (2) methods of inspection that utilize eddy current principles?

Answer 18

comparison and absolute

Question 19

A _____ is an optional device that allows us to see inside an engine without disassembling it.

Answer 19

boroscope

Question 20

What are the (2) types of radiation utilized for radiographic inspection?

Answer 20

Gamma rays and x rays

Question 21

Persons working on or around x-ray or gamma-ray equipment should wear ________ film badges.

Answer 21

monitoring

Question 22

Penetrant inspection is based on the principle of ___________ ____________.

Answer 22

capillary action

Question 23

The time the penetrant remains on the surface of the part; is known as ________ time.

Answer 23

dwell

Question 24

Though simple, a ___ ___ ___ is one of the most effective methods of composite inspection.

Answer 24

coin tap test

Question 25

The image formed on the photographic film by either x-rays or gamma-rays is a _________ representation of the specimen being inspected.

Answer 25

Negative

Question 26

There are generally (2) types of medium used during magnetic particle inspection, they are ________ and _________.

Answer 26

Dry and Wet

Question 27

Define transverse

Answer 27

being across : set crosswise.

Question 28

Define Longitudinal
(Helps identify the two types of Magnetization)

Answer 28

running lengthwise rather than across.

Question 29

A __________ ____________ is used to calibrate ultrasonic equipment.

Answer 29

Test Block

Question 30

During a Pulse Echo inspection, flaws are detected by measuring the __________ of signals and the ___________ required to travel between the surfaces.

Answer 30

Amplitude and time