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Visual Testing Instructor Guide l LESSON 1
7. Surface discontinues that are located with
visual testing include:
a. hot tears in castings.
b. cracks and voids in all materials.
c. tungsten and slag inclusions in welds.
d. lack of fusion in welds.
8. A limitation of visual testing is the:
a. size of the item tested.
b. need for discontinuities to be surface
breaking.
c. need for inspectors to be supervised.
d. shape of the item being tested.
9. Visual testing differs from other NDT methods
in that:
a. the discontinuities are visible to the eye.
b. the discontinuities are apparent.
c. indications are present.
d. indications are on the surface, but may also
be subsurface.
10. Visual testing might be called the __________
of all NDT.
a. backup
b. complement
c. final examination
d. foundation
Visual Testing Instructor Guide l LESSON 1
7. Surface discontinues that are located with
visual testing include:
a. hot tears in castings.
b. cracks and voids in all materials.
c. tungsten and slag inclusions in welds.
d. lack of fusion in welds.
8. A limitation of visual testing is the:
a. size of the item tested.
b. need for discontinuities to be surface
breaking.
c. need for inspectors to be supervised.
d. shape of the item being tested.
9. Visual testing differs from other NDT methods
in that:
a. the discontinuities are visible to the eye.
b. the discontinuities are apparent.
c. indications are present.
d. indications are on the surface, but may also
be subsurface.
10. Visual testing might be called the __________
of all NDT.
a. backup
b. complement
c. final examination
d. foundation