2A753 Volume 3 Structural Maintenance Journeyman

75 Questions | By Jbesrod | Last updated: Mar 21, 2022 | Total Attempts: 758

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1.

(401) When you are installing aircraft bolts in a panel you place shims under the plate nut?
- A.
  
  Because the grip length of the bolt is slightly greater
- B.
  
  To make the bottom portion of the plate nut stronger
- C.
  
  Because material thickness being bolted together is less than the diameter of the bolt
- D.
  
  Because thread protrusion through the plate nut is more than the required two threads
2.

(401) How can you avoid stripping threads when installing a nut and bolt?
- A.
  
  Choose the proper nut
- B.
  
  Install washers as necessary.
- C.
  
  Torque the nut to proper specifications
- D.
  
  Ensure the bolt has a proper interference fit
3.

(402) The fastener removal tool is primarily designed for use on a
- A.
  
  Concave surface
- B.
  
  Convex surface
- C.
  
  Curved surface
- D.
  
  Flat surface
4.

(402) The most you should turn a screw with a screw punch tool is
- A.
  
  One-eighth (⅛) turn
- B.
  
  One-quarter (¼) turn
- C.
  
  Three-eighths (3/8) turn.
- D.
  
  One-half (½) turn
5.

(403) What nut style do you use when all bolt hole locations are equally spaced around an opening?
- A.
  
  Point wrenching
- B.
  
  Nut plates
- C.
  
  Channel.
- D.
  
  Barrel.
6.

(403) Which nut is used where the assembly is frequently removed and you can obtain the desired tightness with your fingers?
- A.
  
  Wing
- B.
  
  Castle
- C.
  
  Plain text
- D.
  
  Catellated shear
7.

(403) The two major types of self-locking nuts you will install are
- A.
  
  Floating and non floating
- B.
  
  Aluminum and stainless steel
- C.
  
  Interrupted thread and elastic stop
- D.
  
  Prevailing torque and free spinning
8.

(403) You need to consider heat requirements for which prevailing torque, self-locking nut locking device?
- A.
  
  Slotted or beam
- B.
  
  Nonmetallic insert.
- C.
  
  Deformed thread type
- D.
  
  Interrupted thread type
9.

(404) When a rigid type camloc receptacle needs to replaced you replace
- A.
  
  It with a rigid receptacle
- B.
  
  It with a floating receptacle
- C.
  
  It with a retaining receptacle
- D.
  
  The entire camloc fastener assembly
10.

(404) What is the final step that completes a camloc fastener assembly installation?
- A.
  
  Install the receptacle.
- B.
  
  Install the stud retaining ring
- C.
  
  Check the grip length of the stud
- D.
  
  Insert the stud assembly into the grommet
11.

(405) To properly install a new flush-type airloc turn-lock fastener, the size of the punched hole in the access panel should be
- A.
  
  1/16 inch larger than the stud
- B.
  
  1/16 inch smaller than the stud.
- C.
  
  Equal to the diameter of the stud head.
- D.
  
  Approximately the same size as the diameter of the stud shank.
12.

(405) What part of an airloc assembly is never reused?
- A.
  
  Grommet.
- B.
  
  Cross-pin.
- C.
  
  Rigid receptacle
- D.
  
  Floating receptacle.
13.

(406) When drilling holes for fasteners you can maintain proper hole alignment by
- A.
  
  Using a reamer to up size the hole
- B.
  
  Clamping all repair members in place
- C.
  
  Holding the drill at a right angle to the surface
- D.
  
  Pilot drilling holes through all mating surfaces
14.

(406) How do you drill an interference fit hole for a fastener?
- A.
  
  Use only a reamer to finish the holeburrs.
- B.
  
  Use only a drill bit to drill the hole to size
- C.
  
  Pilot drill the hole and use a reamer to finish
- D.
  
  Pilot drill the hole and use a drill bit to upsize.
15.

(407) When cold working a hole, which gage is used to verify the hole before and after it’s been cold-worked?
- A.
  
  Final.
- B.
  
  Starting.
- C.
  
  Verification.
- D.
  
  Combination.
16.

(408) In determining the grip length of a hi-shear rivet, when it is installed in the hole the straight portion of the shank should
- A.
  
  Be flush with the top of the locking collar
- B.
  
  Extend no more than 1/16 inch through the material
- C.
  
  Be flush with the back edge of the material thickness
- D.
  
  Extend at least 1/16 inch beyond the top edge of the locking collar
17.

(408) When installing hi-shear rivets how do you accomplish proper faying surface “sealant squeeze out”?
- A.
  
  Swaging the collar with an undersized swaging set
- B.
  
  Increasing the hammering force needed to swage the collar
- C.
  
  Installing temporary fasteners in every other hole before installation
- D.
  
  Lightly tapping the hi-shear rivet pin into the hole before swaging the collar
18.

(407) Cold-working hole expansion is used to prevent
- A.
  
  Burrs.
- B.
  
  Cracks.
- C.
  
  Elongated holes
- D.
  
  Premature fatigue failure
19.

(409) What is the maximum surface angle on which you can satisfactorily drive a stump lock-bolt collar?
- A.
  
  5° parallel with the axis of the hole.
- B.
  
  7° parallel with the axis of the hole.
- C.
  
  5° perpendicular with the axis of the hole.
- D.
  
  7° perpendicular with the axis of the hole.
20.

(409) The last step after installing pull-type lock bolts is to
- A.
  
  Inspect the formation of the collar
- B.
  
  Remove the pulling gun from the collar area
- C.
  
  Ensure the end of the pin is flush with the end of the collar
- D.
  
  Apply a corrosion preventative compound to the stem break off area
21.

(410) What material composition hi-lok fastener is used when the temperature of a certain area of the aircraft exceeds 750°F?
- A.
  
  Inconel
- B.
  
  Titanium alloy
- C.
  
  Corrosion-resistant steel
- D.
  
  High-strength aluminum alloy
22.

(411) What head marking symbols on the taper-lok pins indicate that it is an injection type?
- A.
  
  The letters IT in front of the TL symbol
- B.
  
  The letters IT before the first dash number.
- C.
  
  Indented slots stamped on the head of the fastener
- D.
  
  The numbers representing the type of sealant required.
23.

(411) The symbol on the bottom of a taper-lok pin represents the
- A.
  
  Grip length
- B.
  
  Fastener diameter
- C.
  
  Material composition
- D.
  
  Threads per inch on the pin
24.

(411) The second dash number stamped on the head of a taper-lok fastener pin represents the
- A.
  
  Grip length
- B.
  
  Fastener diameter
- C.
  
  Material composition
- D.
  
  Depth of the injector ports
25.

(411) What other problem besides centering can you eliminate by using a washer-nut assembly on a taper-lok pin?
- A.
  
  Washer fumbling
- B.
  
  Over torquing the nut
- C.
  
  Corrosion of the mating surface
- D.
  
  Mismatch of the pin and material composition