5
NAME: ________________________________
DATE: _________________________________
1. Magnetic particle testing will detect
discontinuities in:
a. conductors of electricity.
b. ferromagnetic materials.
c. paramagnetic materials.
d. diamagnetic materials.
2. Magnetic particle testing can be used to reveal
which of the following discontinuities?
a. Surface and near-surface discontinuities.
b. Surface discontinuities only.
c. Surface paramagnetic discontinuities only.
d. Surface and near-surface paramagnetic
discontinuities.
3. A magnetic field exists within and around:
a. aluminum, copper, and plastic parts.
b. permanent magnets and longitudinally
magnetized test objects.
c. unmagnetized ferromagnetic parts.
d. permanent magnets and circularly
magnetized parts.
4. Some discontinuities too small to be seen
without magnification can be seen with the
unaided eye during magnetic particle testing
because:
a. they run parallel to the magnetic field.
b. they run perpendicularly to the magnetic
field.
c. they disrupt the magnetic field and small
particles will collect to form a visual
indication of the discontinuity.
d. they interrupt the magnetic field and form
an indication of the type of current being
applied.
5. Magnetic particle testing can be effectively
used on which of the following?
a. Paramagnetic materials.
b. Ferromagnetic materials.
c Diamagnetic materials.
d. Geomagnetic materials.
6. Ferromagnetic materials are:
a. rarely attracted to magnetism.
b capable of being magnetized.
c. not capable of being magnetized.
d. sometimes able to be magnetized.
Lesson 1 Quiz