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AFAB 115 Midterm Exam Questions With 100% Correct Answers.
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AFAB 115 Midterm Exam Questions With 100% Correct Answers.
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Name: Score:72 Multiple choice questions
Term 1 of 72
What happens when an individual rivet is not installed properly or does not fill a drilled hole to
acceptable limits?
the rivet becomes invisible
the entire structure becomes stronger
the material becomes more flexible
the single rivet can become the weak link in a chain of several fasteners
Term 2 of 72
What must be eliminated while sealing?
Increase the sources of contamination during sealing
Sources of potential contamination in sealing like personnel, equipment, moisture
condensation
Eliminate all air circulation during sealing
Ignore the presence of contaminants in sealing
Term 3 of 72
True or False: After fay surface sealant is applied, the two surfaces are joined to attain 100%
extrusion, or squeeze out of the faying surface sealant.
True
never
take-up
False
,Term 4 of 72
What is fundamental for good joint performance and durability?
Leaving sharp edges on the holes
Applying excessive paint layers over the joints
Clean, round holes within tolerance and with minimal burrs
Using excessive force during assembly
Term 5 of 72
When inspecting Eddie pins and nuts, what must all lobes of an installed Eddie-Nut be and why?
Only one lobe needs to be deformed slightly for the installation gage to pass over the lobe
area.
All lobes must be sufficiently deformed or swaged equally for their full length to allow the
installation gage to pass completely over the lobe area.
The lobes should not be deformed at all for proper installation of the eddie-nut.
As holes are added to the aircraft structure, they can weaken the structure in which they are
drilled
Definition 6 of 72
2.5D
Minimum edge distance for a flush head rivet
How long can a cleaned sealed surface remain unsealed?
When should you mix solid rivets and other fasteners?
What is the minimum rivet pitch
, Term 7 of 72
What does the strength of aircraft fasteners depend on?
The number of passengers on board
The technician who drills and prepares the holes in which the fasteners are installed
The type of metal used in the fasteners
The color of the aircraft
Term 8 of 72
What is absolutely necessary when installing straight pin fasteners such as Hi-Loks, Eddie bolts,
and Jo-Bolts?
using a hammer to force the fastener into place
exact hole dimensions as recommended by the manufacturer
lubricating the fasteners before installation
ignoring the manufacturer's guidelines for hole size
Term 9 of 72
What are the only two types of fasteners that can be installed utilizing and Allen/spline wrench
and box end wrench.
Wire Bundles and Hydraulic Lines
Layout, Installation, and Inspection
Hi-Lok and Eddie Bolt
Temperature and Relative Humidity
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