WorksheetsME8097 NON DESTRUCTIVE TESTING AND EVALUATION
Total questions: 25
Worksheet time: 59mins
Which penetrant test processes commonly use the same penetrants?
(a) Water washable
(b) Water washable and solvent removable
(c) Solvent removable and post emulsifier
(d) None of the above
A soft aluminium test piece is to be penetrant tested. The piece has previously been sand blasted to remove tightly adhering soils. What additional surface preparation should be performed?
(a) Etching
(b) Solvent cleaning
(c) Ultrasonic cleaning
(d) Grinding
Open, shallow discontinuities are best detected by which penetrant testing method?
(a) Solvent removable
(b) Water washable
(c) Post emulsifiable
(d) None of the above
The chief advantage of using a water washable penetrant process is:
(a) Sensitivity
(b) Safety
(c) Water tolerance
(d) Economics
Dual purpose penetrants are viewed under what type of light?
(a) White light
(b) Black light
(c) Both a and b
(d) None of the above
Possible degradation of penetrant materials performance is often checked by:
(a) Performing penetrant testing of comparator blocks using samples of new and used penetrant materials
(b) Water tolerance test
(c) Using a penetrant test penetrameter
(d) Judgment of a qualified inspector during production testing
It is easier to control developer coating thickness with a soluble developer than a water suspendable one because:
(a) Less developer can be dissolved that suspended in water
(b) It dries more rapidly on the test piece
(c) Evaporation deposits a thin, even coating on the test piece
(d) All of the above
In which type of test the capillary action principle is used?
a. Probe test
b. Bend liquid test
c. Dye penetrant test
d. None of the above
Identify the type of destructive testing
a) Radiographic test
b) Dye penetrant test
c) Creep test
d) Visual testing
What is nondestructive test?
a) Nondestructive tests are applications for detecting flaws in materials without impairing their usefulness
b) Nondestructive tests are applications for detecting flaws that impair the use of the materials such as pressure testing
c) Nondestructive tests are applications for detecting flaws in materials with impairing their usefulness
d) Nondestructive tests are applications for detecting flaws that do not impair the use of the materials such as pressure testing
Eddy current test is used to detect
a. cracks
b. hardness
c. conductivity
d. All of the above
What is a destructive test?
a) Destructive tests are applications for detecting flaws in materials without impairing their usefulness
b) Destructive tests are applications for detecting flaws that impair the use of the materials such as pressure testing
c) Destructive tests are applications for detecting flaws in materials with impairing their usefulness
d) Destructive tests are applications for detecting flaws that do not impair the use of the materials such as pressure testing
What two types of indicating mediums are available for magnetic particle inspection?
Wet and dry process materials
High retentivity and low permeability material.
Iron and ferric oxides.
To detect a minute crack using due penetrant inspection usually requires
That the developer be applied to a flat surface.
A longer-than-normal penetrating time.
The surface to be highly polished.
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 part. Regarding the above statements.
1 is True & 2 is False
1 is False & 2 is True
Both are false
Both are True
Select a characteristic of a good gas weld.
The depth of penetration shall be sufficient to ensure fusion of the filler rod.
The height of the weld bead should be 1/8 inch above the base metal.
The weld should taper off smoothly into the base metal
A _____ is an optical device that allows us to see inside an engine without disassembling it.
Borescope
Vernier Caliber
Micrometer
Scale
In non-destructive testing, sound test used is a very fine and accurate method of detecting flaws in the castings.
True
False
Which method is suitable for detecting internal defects?
UT
MPT
LPT
RT
What is the Angle of diamond indentor in rockwell hardness c
200
120
135
145
Equipment used for inspection of inside portion of hollow chamber or narrow tube is known as ___________
a) Endoscope
b) Telescope
c) Borescope
d) Flexiscope
Applications of NDT.
Power Plant
Nuclear Reactor
Ropes
Rail Inspection
What is the field of view range of rigid borescope
10-180
20-50
0-90
0-180
Incomplete Fusion, Incomplete Penetration, Overlap
Incomplete Penetration, Overlap, Incomplete Fusion
Overlap, Incomplete Fusion, Incomplete Penetration
a) Elastic limit
b) Lower yield point
c) Upper Yield
d) Lower strain point
