AFAB 115 MIDTERM EXAM QUESTIONS
WITH CORRECT ANSWERS
Defects cause by incorrect hole generation causes - CORRECT ANSWER✔✔-
| | | | | | | | |
weakening of the part | | |
Aerodynamic loads depend upon - CORRECT ANSWER✔✔-the strength of
| | | | | | | | |
thousands of fasteners which hold it together.
| | | | | |
Ways to prevent incorrect hole generation - CORRECT ANSWER✔✔-identify and
| | | | | | | | | |
apply specifications within acceptable tolerance.
| | | |
clean, round holes within tolerance and with minimal burrs.
| | | | | | | |
accurate hole drilling minimizes cracks.
| | | |
What is the most critical job of a technician? - CORRECT ANSWER✔✔-Hole
| | | | | | | | | | | |
preparation and generation. Prevent all possible defects when generating holes.
| | | | | | | | | |
Ensure product quality and cost efficiency.
| | | | |
Largest number of defects/errors are caused by? - CORRECT ANSWER✔✔-hole
| | | | | | | | | |
generations (inaccurate holes) | |
To drill holes in DOD you must be. - CORRECT ANSWER✔✔-certified by the
| | | | | | | | | | | | |
manufacturers/employer
, Factors when hole generating - CORRECT ANSWER✔✔-Tolerance/ plus and minus
| | | | | | | | | |
allowances in hole dimensions. | | |
90 degree angle ensures accurate holes.
| | | | |
Use drill or egg cup / it ensures a perpendicular drill.
| | | | | | | | | |
Minimize fatigue by enabling fasteners to sit correctly.
| | | | | | | |
Proper deburring. |
Chambering.
Edge breaks.
|
What angle to get accurate holes? - CORRECT ANSWER✔✔-90 degree angle.
| | | | | | | | | |
To prevent delamination & breakout/ drilling COMPOSITES - CORRECT
| | | | | | | | |
ANSWER✔✔-Always support the material from the back. | | | | | |
To minimize delamination when drilling in GRAPHITE/CARBON OR COMPOSITES -
| | | | | | | | | |
CORRECT ANSWER✔✔-Always keep the drill rotating as it touches the surface
| | | | | | | | | | |
and during withdrawal .
| | |
When should wire bundles and hydraulic lines must be protected ? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-when drilling by the use of drill stops. | | | | | | |
What should be used to check hole diameters and dimensions? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-ball gauge an micrometer. | | |
WITH CORRECT ANSWERS
Defects cause by incorrect hole generation causes - CORRECT ANSWER✔✔-
| | | | | | | | |
weakening of the part | | |
Aerodynamic loads depend upon - CORRECT ANSWER✔✔-the strength of
| | | | | | | | |
thousands of fasteners which hold it together.
| | | | | |
Ways to prevent incorrect hole generation - CORRECT ANSWER✔✔-identify and
| | | | | | | | | |
apply specifications within acceptable tolerance.
| | | |
clean, round holes within tolerance and with minimal burrs.
| | | | | | | |
accurate hole drilling minimizes cracks.
| | | |
What is the most critical job of a technician? - CORRECT ANSWER✔✔-Hole
| | | | | | | | | | | |
preparation and generation. Prevent all possible defects when generating holes.
| | | | | | | | | |
Ensure product quality and cost efficiency.
| | | | |
Largest number of defects/errors are caused by? - CORRECT ANSWER✔✔-hole
| | | | | | | | | |
generations (inaccurate holes) | |
To drill holes in DOD you must be. - CORRECT ANSWER✔✔-certified by the
| | | | | | | | | | | | |
manufacturers/employer
, Factors when hole generating - CORRECT ANSWER✔✔-Tolerance/ plus and minus
| | | | | | | | | |
allowances in hole dimensions. | | |
90 degree angle ensures accurate holes.
| | | | |
Use drill or egg cup / it ensures a perpendicular drill.
| | | | | | | | | |
Minimize fatigue by enabling fasteners to sit correctly.
| | | | | | | |
Proper deburring. |
Chambering.
Edge breaks.
|
What angle to get accurate holes? - CORRECT ANSWER✔✔-90 degree angle.
| | | | | | | | | |
To prevent delamination & breakout/ drilling COMPOSITES - CORRECT
| | | | | | | | |
ANSWER✔✔-Always support the material from the back. | | | | | |
To minimize delamination when drilling in GRAPHITE/CARBON OR COMPOSITES -
| | | | | | | | | |
CORRECT ANSWER✔✔-Always keep the drill rotating as it touches the surface
| | | | | | | | | | |
and during withdrawal .
| | |
When should wire bundles and hydraulic lines must be protected ? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-when drilling by the use of drill stops. | | | | | | |
What should be used to check hole diameters and dimensions? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-ball gauge an micrometer. | | |
