AM.II.A.K14
KnowledgePurpose and types of shielding gases.
From the FAA library
- Glossary
measurement of time used by the FAA for inspection and certification purposes. One calendar month from a given date extends from that date until midnight of the last day of that month. Cam. An eccentric, or lobe, on a rotating ... combustor. A type of combustor used in some large turbojet and turbofan engines. It consists of individual cans into which fuel is sprayed and ignited. These cans mount on an annular duct which collects the hot gases and directs them…
- Chapter 4: Aircraft Metal Structural Repair › Special Purpose Fasteners › Lockbolt Fastening Systems
required for their installation. [Figure 4-106] When installed, the lockbolt is rigidly and permanently locked in place. Three types of lockbolts are commonly used: pull-type, stump-type, and blind-type. The pull-type lockbolt is mainly used ... weight of equivalent AN steel bolts and nuts. A special pneumatic pull gun is required for installation of this type lockbolt, which can be performed by one operator since buckling is not required. The stump-type lockbolt, although not having…
- Chapter 5: Aircraft Welding › Shielded Metal Arc Welding (SMAW)
Shielded Metal Arc Welding (SMAW) Shielded metal arc welding (SMAW) is the most common type of welding and is usually referred to as “stick” welding. The equipment consists of a metal wire rod coated with a welding flux that ... voltage and high current in either alternating current (AC) or direct current (DC), depending on the type of welding being done. An arc is struck between the rod and the work and produces heat in excess…