Q6-9. What command has cognizance over the NDI
What command provides training for all
Who is responsible for monitoring the NDI
program in activities under their cognizance?
What activity is responsible for ensuring
compliance with qualification requirements
and enforcing the Industrial Radiation Safety
Program (RASP) requirements in accordance
with the RASP manual?
What division is responsible for monitoring
the organization's NDI training program?
What activity is responsible for requesting
NDI inspection on aircraft?
For a magnetic particle inspection to be
performed, a part must be made of alloys that
contain a high percentage of what material?
Figure 6-19.--Basic penetrant process.
When conducting a magnetic particle in-
"developer" is then applied. The developer aids in
spection, the magnetic field is interrupted by
drawing any trapped penetrant from the discontinuities
and improves the visibility of any indications. For more
information concerning the dye penetrant inspection,
Which method of magnetization is used to find
consult the Nondestructive Inspection Methods
radial discontinuities around the edges of
Manual, NAVAIR 01-1A-16.
holes and detect longitudinal discontinuities?
Q6-1. According to NA-01-1A-16, who can perform
When you inspect hollow or tubelike parts, it
is important to inspect what surface?
Q6-2. What type of examination must a candidate
What type of current should be used for the
receive before selection as an NDI inspector
detection of surface discontinuities?
and annually there after?
To detect subsurface discontinuities, you
Q6-3. What is the minimum amount of experience
would use direct current with what type of
required from a technician who is currently
magnetic particle inspection?
certified and engaged in NDI in order to train
The particles that are used in magnetic
and certify NDI operators?
particle inspections have what two character-
Q6-4. How often must active NDI technicians
The smallest particles are more easily
Q6-5. How often must an NDI technician or
attracted to and held by what type of dis-
operator perform the methods in which they
Fluorescent particles are widely used in wet
Q6-6. How long must a NDI operator maintain
baths and are easily seen on dark back-
proficiency without being required to update
grounds when what type of light is used?
training for recertification?
What method of inspection is used to detect
Q6-7. The original copy of the NDI certification is
flaws in areas that are not accessible or
held by whom?
favorably oriented for use by other test
Q6-8. Who verifies the entries in the work cen-
ter supervisor's Technician/Operator work