Welding
General
Rivets
Bend
Structures
100

Oxygen and acetylene cylinders are made of


. Steel.

100

The general rule for finding the proper rivet diameter is


three times the thickness sheet of the materials to be joined.

100

Which numeric designation rivet for a Universal Head ?

MS20470

AN470

100

Shallow scratches in sheet metal may be repaired by


Burnishing

100

ATA for Flight Controls 


2700

200

A welding torch backfire may be caused by


Loose tip

200

ATA for Stabilizers


5500

200

Most popular rivets heads markings used in aircraft construction have


 Dimples.

200

Unless otherwise specified, the radius of a bend is the


inside radius of the metal being formed.

200

The dimensions of an MS20430AD-4-8 rivet are


1/8 inch in diameter and 1/2 inch long.

300

What purpose does flux serve in welding aluminum?


 Minimizes or prevents oxidation.

300

MS20426AD-6-5 indicates a countersunk rivet, which has


 overall length of 5/16 inch.

3/16 Diameter

300

Under certain conditions, type A rivets are not used because of their


Low strength Characteristics

300

Set Back Formula


K ( R + T )

300

The purpose of a joggle is to


Allow clearance for a sheet or an extrusion.

400

When drilling stainless steel, the drill used should have an included angle of   ? .....and what speed ?


118-135° and turn at a low speed

400

Why is it necessary to use flux in all silver soldering operations?



To chemically clean the base metal of oxide film.

prevent oxidation

400

Which of the following need NOT be considered when determining minimum rivet spacing?


Rivet length.

400

The primary alloying agent of 2024-T3 is indicated by the number


2

400

Why is DD rivet is heat treated before used


soften to facilitate riveting


500

What method of repair is recommended for a steel tube longeron dented at a cluster?


Welded patch plate

500

ATA for Fuselage 

5300

500

ATA for Nacelles 

5400

500

Bend Allowance Formula 

(.0078T) + (.01743R) N

500

ATA for Windows 


5600

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