AS111 Study Guide Flashcards
What nondestructive testing method is suitable for the inspection of most metals, plastics, and ceramics for surface and subsurface defects?
Ultrasonic
Parts that are to be inspected using a liquid penetrant _______________ be cleaned with an abrasive blast.
Should not
What are the (3) types of liquid penetrants used for inspections?
Post Emulsifying
Solvent Removable
Water soluble
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?
metal ring and coin tap
Name your welds
A =Butt
B =Double butt
D =Spotted
E =Fillet
F =Edge
G =Lap
What NDT methods may be suitable to use to detect cracks open to the surface in aluminum forged or cast parts?
visual, dye penetrant, eddy current, and ultrasonic.
What NDT method requires little to no preparation?
Eddy Current
What NDT method is used to detect surface or near-surface defects in most metals ?
Magnetic Particle Inspection (eddy current)
The ____ _____ uses a bundle of optical glass fibers.
Fiber Optic
A correctly made butt weld will have what penetration?
100%
Name (4) tools that are commonly used to assist in making visual inspections?
Flashligh, Magnifying glass, mirror, boroscope
What NDT method can be used to separate metals or alloys and their heat-treatment conditions?
Eddy current
Write the steps involved in a dye penetrant inspection.
Clean, Apply penetrant, Dwell, Remove penetrant, Dry?, Apply Developer, Inspect results
A correctly made butt weld will have what bead width ______ to _____ times the
thickness of the ______ metal.
3 to 5 times the base
When magnetizing a part for inspection, it must be magnetized in such a way that the lines of flux are _________________________ to the suspected fault.
Perpendicular
The three types of electrical current that may be used to magnetize a part for inspection are:
Half
alternating
direct
AC magnetization is best suited for locating _______________ faults.
surface
What are the (2) methods of inspection that utilize eddy current principles?
comparison and absolute
A _____ is an optional device that allows us to see inside an engine without disassembling it.
boroscope
What are the (2) types of radiation utilized for radiographic inspection?
Gamma rays and x rays
Persons working on or around x-ray or gamma-ray equipment should wear ________ film badges.
monitoring
Penetrant inspection is based on the principle of ___________ ____________.
capillary action
The time the penetrant remains on the surface of the part; is known as ________ time.
dwell
Though simple, a ___ ___ ___ is one of the most effective methods of composite inspection.
coin tap test
The image formed on the photographic film by either x-rays or gamma-rays is a _________ representation of the specimen being inspected.
Negative
There are generally (2) types of medium used during magnetic particle inspection, they are ________ and _________.
Dry and Wet
Define transverse
being across : set crosswise.
Define Longitudinal
(Helps identify the two types of Magnetization)
running lengthwise rather than across.
A __________ ____________ is used to calibrate ultrasonic equipment.
Test Block
During a Pulse Echo inspection, flaws are detected by measuring the __________ of signals and the ___________ required to travel between the surfaces.
Amplitude and time
