7.8 Riveting Flashcards
Which factors govern the strength of a joint?
a) Material specification, rivet specification, rivet spacing
b) Material thickness, rivet type, adhesive type
c) Joint length, material coating, bolt spacing
a) Material specification, rivet specification, rivet spacing
What are the three types of rivet joints?
a) Lap joints, Flush joints, Joggle joints
b) Welded joints, Soldered joints, Brazed joints
c) Threaded joints, Snap joints, Pin joints
a) Lap joints, Flush joints, Joggle joints
In which type of rivet joint are the skins not on the same plane?
a) Flush joint
b) Lap joint
c) Joggle joint
b) Lap joint
In which type of rivet joint are the skins riveted to the same substructure, keeping them on the same plane?
a) Flush joint
b) Lap joint
c) Joggle joint
a) Flush joint
Which type of rivet joint is a combination of a flush and a lap joint, where one skin is joggled for a smooth side?
a) Joggle joint
b) Flush joint
c) Lap joint
a) Joggle joint
What does the term “pitch” refer to in a joint?
a) The distance between the centers of two fastener holes
b) The width of the rivet head
c) The depth of the joint
a) The distance between the centers of two fastener holes
What is the formula to calculate pitch in a riveted joint?
a) 3.0 x D
b) 4.0 x D
c) 5.0 x D
b) 4.0 x D
What does the term “edge margin” refer to in a joint?
a) The distance from one fastener hole to the next in a row
b) The distance from the center of a fastener hole to the nearest edge of a sheet
c) The thickness of the material
b) The distance from the center of a fastener hole to the nearest edge of a sheet
What is the typical range for edge margin in terms of rivet diameter (D)?
a) 1.5D to 2.0D
b) 2D to 2.5D
c) 2.5D to 3.0D
b) 2D to 2.5D
What does the term “edge distance” refer to in a joint?
a) The distance from the center of a fastener hole to the nearest edge of a sheet
b) The distance from the edge of a fastener hole to the edge of the plate
c) The distance between two adjacent fastener holes in a row
b) The distance from the edge of a fastener hole to the edge of the plate
What is the key difference between edge margin and edge distance?
a) Edge margin measures from the hole’s center, while edge distance measures from the edge of the hole.
b) Edge margin applies to bolts, while edge distance applies to rivets.
c) There is no difference; they are interchangeable terms.
a) Edge margin measures from the hole’s center, while edge distance measures from the edge of the hole.
What does “spacing” refer to in a joint?
a) The distance between fastener holes within a row
b) The distance between fastener rows, taken from the hole centers
c) The distance from the center of the fastener hole to the nearest edge of a sheet
b) The distance between fastener rows, taken from the hole centers
What is the recommended spacing range between fastener rows?
a) 2 to 3D
b) 4 to 5D
c) 6 to 7D
b) 4 to 5D
What is the “sphere of influence” in relation to a rivet joint?
a) The area over which a rivet achieves a watertight joint
b) The area where the rivet is installed
c) The distance between fastener holes
a) The area over which a rivet achieves a watertight joint
What is the typical size of the sphere of influence around a rivet?
a) 2D
b) 3D
c) 5D
c) 5D
What are the three types of countersink tool angles?
a) 82°, 100°, 120°
b) 90°, 100°, 110°
c) 85°, 100°, 115°
a) 82°, 100°, 120°
What is the most common angle for countersink tools?
a) 82°
b) 100°
c) 120°
b) 100°
What can happen during freehand countersinking?
a) Chattering
b) No rivet holes
c) Increased speed
a) Chattering
What is the main issue with freehand countersinking?
a) No depth guidance
b) Too much force required
c) Rivet holes misaligned
a) No depth guidance
Which countersink tool is preferred for its precision and ease of use?
a) Freehand countersink
b) Microstop countersink
c) Manual countersink
b) Microstop countersink
What is the pilot size for a microstop countersink?
a) Slightly smaller
b) Larger than the rivet
c) Same size
a) Slightly smaller
Where is freehand countersinking typically used?
a) When a microstop countersink cannot fit
b) For precise, controlled countersinking
c) For deeper countersink depths
a) When a microstop countersink cannot fit
What is the purpose of dimpling?
a) To cut a countersink
b) To shape material too thin for countersinking
c) To strengthen the material
b) To shape material too thin for countersinking
What are the three methods of dimpling?
a) Coin dimpling, Radius dimpling, Hot dimpling
b) Coin dimpling, Flat dimpling, Cold dimpling
c) Radius dimpling, Hot dimpling, Cold dimpling
a) Coin dimpling, Radius dimpling, Hot dimpling
What is a rivet gauge used for?
a) To check the condition of the driven rivet head
b) To measure the diameter of the rivet
c) To inspect the length of the rivet
a) To check the condition of the driven rivet head
Where is the diameter of a rivet measured from?
a) From the head of the rivet
b) From the shank diameter
c) From the tail of the rivet
b) From the shank diameter
Where can you find the information on what rivets to use?
a) Aircraft Operations Manual
b) Structural Repair Manual (SRM)
c) Maintenance Manual
b) Structural Repair Manual (SRM)
What is a bucking bar/dolly made from?
a) Aluminum
b) Steel
c) Plastic
b) Steel
What can happen if a rivet gun is too powerful?
a) The rivet may loosen
b) The metal can work harden
c) The rivet will not set properly
b) The metal can work harden
What is the purpose of Cleco fasteners?
a) To permanently attach parts
b) To temporarily hold parts together
c) To secure parts under high pressure
b) To temporarily hold parts together
What is the purpose of a Cleco wing nut?
a) To permanently fasten components
b) To provide higher clamp-up pressure
c) To temporarily hold parts without applying pressure
b) To provide higher clamp-up pressure
What must be true about the head of a rivet?
a) It must be deformed for a tight fit.
b) It must be cracked to ensure a secure connection.
c) It must not be deformed, cracked, or distorted.
c) It must not be deformed, cracked, or distorted.
What should be done with deformed rivets?
a) They should be re-shaped and re-used.
b) They should be replaced with the next size up.
c) They should be left as is.
b) They should be replaced with the next size up.
What can swarf stuck between sheets of metal cause?
a) Increased strength
b) Gaps between the sheets
c) Better bonding
b) Gaps between the sheets
What can using a too large rivet set cause?
a) Increased strength of the rivet
b) An eyebrow on the metal
c) A smooth finish
b) An eyebrow on the metal
