Visual inspection is destructive testing (DT) and non-destructive
testing (NDT) weld quality testing MSQ ITI and CTI
1. Which weld defect can be found out by using the ultrasonic test?
a) Internal defect
b) Surface defect
c) Incomplete penetration
d) Insufficient throat thickness
2. Which defect can be found by visual examination of the welded joint?
a) Lack of fusion
b) Misalignment of parts
c) Root defect in a T- fillet weld
d) Interbead slag inclusion
3. Electricity is not required to conduct which
non-destructive test?
a) X-ray test
b) Ultrasonic test
c) Dye penetrant test
d) Magnetic particle test
4. Name the simplest test which uses sound, to know that there is a crack in
a weld.
a) Ultrasonic test
b) Radiographic test
c) Impact test
d) Tensile test
5. Which one of the following is a non-destructive test?
a) Impact test
b) Tensile test
c) Nick – break test
d) Dye penetrant test
6. Which of the following defect is unlikely to be found by visual
inspection?
a) Blowholes
b) Undercut
c) Overlap
d) Linear slag inclusion
7. Which one of the following is a destructive test
a) X-ray test
b) Ultrasonic test
c) Impact test
d) Magnetic particle test
8. A metal fails when subjected to sudden shock. What property does it
indicate?
a) Tensile strength
b) Brittleness
c) Ductility
d) Toughness
9. The ductility of weld metal is measured by the
a) Tensile test
b) Bend test
c) Impact test
d) Fatigue test
10. Izod and Charpy machines are related to the test
a) Impact test
b) Fatigue test
c) Tensile test
d) Bend test
11. The impact test is used to study the behavior of welded joints under
_________
a) Unloading
b) Sudden loading
c) Low loading
d) Normal loading
12. Which one of the following non-destructive test can be used to detect
surface defects
only?
a) Radiographic test
b) Magnetic particle test
c) Liquid penetrant test
d) Ultrasonic test
13. A type of non-destructive test requires a photographic film to be placed
on one side of
the joint to be tested. What is the name of this test?
a) Radiographic test
b) Ultrasonic test
c) Dye penetrant test
d) Magnetic particle test
14. Name the non-destructive test which can determine the depth of an
internal weld
defects.
a) Impact test
b) Ultrasonic test
c) Magnetic particle test
d) Liquid penetrant test
15. Which type of test is hazardous to the testing operator?
a) Radiography
b) Ultrasonic test
c) Magnetic particle test
d) Visual inspection
16. Penetrant and Magnetic particle inspection are mainly used to:
a) Aid visual inspection
b) Because the application
standard says so
c) To confirm “visual uncertainties”
d) All of the above
17. Name the two non-destructive tests which are used to find out the surface
defects.
a) MPI & UT
b) Radiography test & UT
c) MPI & DPT
d) DPT & radiography test
18. Which one of the following is a very important test to be carried out
during welding
with little expense?
a) Radiography
b) Ultrasonic test
c) Magnetic particle test
d) Visual inspection
19. In X-ray, the quality of the radiograph negative is assessed by the?
a) Density of the Film
b) IQI indicator
c) KVA available
d) Stand-off distance
20. When visually inspecting a fillet weld, it would normally be “sized” by:
a) The leg lengths
b) The actual throat thickness
c) The design throat thickness
d) Both A & C
21. A magnifying glass may be used during visual inspection but BS 5289 states
that its
magnification should be:
a) Up to 5ɸ
b) 2 – 2.5 ɸ
c) 5 – 10 ɸ
d) None of the above
22. The property, which enables the metal to stretch, bend or twist without
cracking is
called
a) Toughness
b) Malleability
c) Ductility
d) Hardness
23. The ductility is the property of a material due to which it…
a) Can be drawn into wires
b) Breaks with little permanent distortion
c) Can be rolled or hammered into thin sheets
d) Can resist fracture due to high impact load
24. Which of the following property is desirable in parts subjected to shock
& impact
loads?
a) Strength
b) Stiffness
c) Brittleness
d) Toughness
25. Which of the following mechanical properties of a weld in carbon-manganese
steel is most
affected if the heat input per unit length of the weld is excessively high?
a) Elongation
b) Tensile strength
c) Hardness
d) Toughness
26. The property of material due to which it breaks with little permanent
distortion is
called
a) Ductility
b) Brittleness
c) Malleability
d) Plasticity
27. The malleability is the property of a material due to which it…
a) Can be drawn into wires
b) Breaks with little permanent distortion
c) Can be rolled or
hammered into thin sheets
d) Can resist fracture due to high impact load
28. Gamma rays are produced by…
a) Copper
b) Cobalt 60
c) Titanium
d) Tungsten
29. A liquid penetrant test is used for detecting
a) Surface defects
b) Deep surface defects
c) Sub-surface defects
d) Medium surface defects
30. Liquid penetrant testing is based on the principle of:
a) Polarized sound waves in a liquid
b) Magnetic domains
c) Absorption of X rays
d) Capillary action
31. The advantages of visual inspection are
a) Able to detect internal & external defect easily
b) The simplest, faster
& economical
c) No radiation hazards during this test
d) These tests are used on high-quality jobs
32. Which of the following are ferromagnetic materials?
a) Aluminium, iron, copper
b) Iron, copper, nickel
c) Copper, aluminum, silver
d) Iron, cobalt, nickel
33. Which of the following units could Charpy V notch energy be measured in?
a) Pounds per square inch
b) Joules
c) Newton per square millimeter
d) None of the above
34. Which of the following destructive tests is not normally required for
welder approval
test for mild steel?
a) Bend test
b) Macro examination
c) Impact test
d) Fracture test
35. Identify the type of destructive testing in the following list
a) Radiographic test
b) Dye penetrant test
c) Impact test
d) All of the above
36. Which of the following colors is readily available for magnetic particle
test powder?
a) Red
b) Gray
c) Black
d) All of the above
37. The time period during which penetrant remains on the surface of the test
piece is
called:
a) Dwell time
b) Soaking time
c) Fixing time
d) Development time
38. The color of fluorescent penetrant under the presence of a UV light is:
a) Yellow-green
b) Red
c) Blue
d) Green
39. Which test can be performed without skilled labor?
a) Dye penetrant testing
b) Visual testing
c) Ultrasonic testing
d) Magnetic particle test
40. Which among the following is the last step in the magnetic particle test
method?
a) Observation and inspection
b) Circular magnetization
c) Demagnetization
d) Magnetization
41. Ultrasonic would be preferred over radiography due to:
a) Ability to find more defects
b) Lowest skill requirements
c) Ability to detect
laminations
d) Both a and c
42. A common use of ultrasonic testing is:
a) Cleaning
b) Detecting of
sub-surface indications
c) Determination of the test piece ductility
d) Communications
43. In which type of test the capillary action principle is used?
a) Magnetic particle test
b) Ultrasonic test
c) Dye penetrant test
d) None of the above
44. Which among the following is not a type of Non-destructive testing?
a) Compression test
b) Magnetic particle test
c) Ultrasonic testing
d) Radiographic test
45. VHN stands for_________
a) Victoria’s hardness number
b) Vicker’s hardness
number
c) Victor’s hardness number
d) Velisa’s hardness number
46. BHN stands for
a) Brinell hardness number
b) Briget hardness number
c) Briz hardness number
d) Bristol hardness number
47. The test is conducted to know the quality of the weld. Name the test to find
out the
percentage of elongation of a weldment.
a) Guided bend test
b) Tensile test
c) Fatigue test
d) Impact test
48. A guided bend test is used to determine
a) Ductility
b) Impact strength
c) Tensile strength
d) Percentage elongation
49. Which NDT methods are best suited for evaluating subsurface defects
a) MPI
b) DPT
c) RT
d) VT
50. Which form of NDT could be used on a fillet weld on aluminum?
a) Dye penetrant testing
b) Ultrasonic testing
c) Radiography
d) MPI
51. In the bend test, the face of the specimen is in tension and the root is in
compression; the type
of the test being carried out would be:
a) a root bend test
b) a side bend test
c) a face bend test
d) none of the above
52. S.W.G. stands for?
a) Suitable wire gauge
b) Selected wire gauge
c) Special wire gauge
d) Standard wire gauge
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