Metallic structures quiz review 7

A piece of Sheetmetal is to be bent to a certain radius. The curvature of the bend is referred to as the

Bend Radius

A factor which determines the minimum space between rivets is the?

Diameter of the rivets being used.

Parts fabricated from Alclad 2024-T3 aluminum sheet stock must have all

Scratches, kinks, tool marks, nicks, etc, must be held to a minimum

joggles in removed rivet shanks would indicate partial?

Shear failure

A piece of flat stock that is to be bent to a closed angle of 15 degrees must be bent through an angle of?

165 degrees

How many MS20470 AD-4-6 rivets will be required to attach a 10 x 5 inch plate, using a single row of rivets, minimum edge distance, and 4D spacing?

56

MS20426AD-6-5 indicates a countersunk rivet which has

An overall length of 5/16 inch

Most rivets are used in aircraft repair have

dimples

Clad aluminum alloys are used in aircraft because they

have surface layers of pure aluminum or aluminum alloy bonded to the core material to inhibit protection

Semi-monocoque fuselage, the skin is reinforced by longitudinal structural members called

longerons and stringers

Aircraft structural units, such as spars, engine supports, etc., which have been built up from sheet metal, are normally

repairable using approved methods.

A DD rivet is heat treated before use to

soften to facilitate riveting

Mild steel rivets are used for riveting?

steel parts

Cherrymax and Olympic-Lok rivets

utilize a pulling tool for installation

A main difference between Lockbolt/Huck bolt tension and shear fasteners (other than their application) is in the?

Number of locking collar groves