Riveting Techniques and Safety Measures

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Questions and Answers

What is the air pressure range at which pneumatic guns operate?

  • 120 to 140 pounds per square inch
  • 90 to 100 pounds per square inch (correct)
  • 50 to 80 pounds per square inch
  • 160 to 180 pounds per square inch

What supplies the force to buck the rivet in a pneumatic gun?

  • Interchangeable rivet sets
  • Microshaver
  • Sliding valve
  • Airdriven hammer (correct)

How many blows per minute do slow hitting rivet guns typically strike?

  • 3,000 to 5,000 blows per minute
  • 6,000 to 8,000 blows per minute
  • 900 to 2,500 blows per minute (correct)
  • 500 to 800 blows per minute

How long should it ideally take for a rivet gun to upset a rivet?

<p>1 to 3 seconds (B)</p> Signup and view all the answers

Which type of pneumatic gun is commonly used in airframe repair work?

<p>Pneumatic rivet gun (B)</p> Signup and view all the answers

What determines the size of a pneumatic rivet gun?

<p>Largest rivet size continuously driven (C)</p> Signup and view all the answers

Which type of fastener provides up to 300 pounds of clamping force?

<p>Hex nut fasteners (A)</p> Signup and view all the answers

What is the advantage of using a hex nut fastener?

<p>Quick installation and removal (C)</p> Signup and view all the answers

What characteristic distinguishes wing nut fasteners from hex nut fasteners?

<p>Wing-shaped protrusions (A)</p> Signup and view all the answers

What type of aluminum has a protective cladding to improve corrosion resistance?

<p>Alcladâ„¢ aluminum (B)</p> Signup and view all the answers

How are aluminum stock usually marked to identify grades and alloys?

<p>With commercial code markings (B)</p> Signup and view all the answers

What is the main difference between aluminum alloys and pure aluminum?

<p>Aluminum alloys possess higher corrosion resistance than pure aluminum (B)</p> Signup and view all the answers

What should the bucker do while the rivet is being driven?

<p>Hold the bucking bar in place (D)</p> Signup and view all the answers

What does using a countersink tool achieve?

<p>Smooth surface rivet installation (D)</p> Signup and view all the answers

What is the purpose of dimpling dies?

<p>To create a depression around the rivet hole (D)</p> Signup and view all the answers

Why is it important not to bear down too heavily on the shank of the rivet?

<p>To prevent damage to the skin (B)</p> Signup and view all the answers

What is a common angle for standard countersinks?

<p>100º (C)</p> Signup and view all the answers

Why are microstop countersinks useful?

<p>They are adjustable for different depths (D)</p> Signup and view all the answers

What is the signal to withdraw the drill when removing a rivet?

<p>The rivet head breaks away and climbs the drill (A)</p> Signup and view all the answers

What should be done if the rivet head does not come loose on its own?

<p>Insert a drift punch and twist slightly (C)</p> Signup and view all the answers

What should be done on thin metal or unsupported structures when removing a rivet shank?

<p>Use a backup block while driving out the shank (C)</p> Signup and view all the answers

What is advised if the shank is unusually tight after the rivet head is removed?

<p>Drill two-thirds through the material (B)</p> Signup and view all the answers

How deep should you drill into the exact center of a countersunk or flush head rivet before removing it?

<p>To the approximate depth of the head (C)</p> Signup and view all the answers

What is recommended for punching out the shank of a countersunk or flush head rivet?

<p>Use a suitable backup, preferably wood, or a dedicated backup block (C)</p> Signup and view all the answers

What does the formula A = B + C represent?

<p>The total rivet length (D)</p> Signup and view all the answers

In structural applications, why is the strength of replacement rivets important?

<p>To ensure the safety and integrity of the structure (D)</p> Signup and view all the answers

When replacing rivets with a larger size due to hole damage, what must be ensured?

<p>Increasing the edge distance and spacing (B)</p> Signup and view all the answers

Why is it acceptable to replace certain rivets with 2117 rivets for general repairs?

<p>2117 rivets require no heat treatment (A)</p> Signup and view all the answers

When replacing 2017 or 2024 rivets with 2117 rivets for general repairs, what must be ensured about the replacement rivets?

<p>They are 1/32 inch greater in diameter than the original rivets (C)</p> Signup and view all the answers

Why should one consult the maintenance manual when selecting rivet type and material?

<p>To ensure correct rivet selection for safe and effective repairs (A)</p> Signup and view all the answers

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