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design construction and type certificatethe following chapter covers the initial design construction registration and test flying of the first
the welding arcthe heat that is developed at the cathode and anode of an arc discharge is able to melt most of the metals and alloys hence the arc is
electric discharge phenomenonthe flow of electricity through metallic solids or through liquid metals is called conduction the electricity flow
a projectile is fired with a velocity u at the entrance a of a horizontal tunnel of length l and height h determine the minimum value of u and the
welding arc physicselectric arc as an intense source of heat is employed in welding of materials in the field of welding techniques arc welding
diffusion bondingin this process union between specially prepared mating surfaces takes place as a result of diffusion which occurs due to high
plasma weldingthis is an extension of tig welding in plasma welding torch plasma energy is constricated and ensures its most efficient utilisation
firecracker weldingthis is a semi automatic version of smaw a specially designed heavy - coated electrode which can be of any length upto 2 m is laid
arc spot weldingin this process coalescence at the overlapping surfaces is produced in one spot by heating with an electric arc between an electrode
thermit weldingthis process utilises the intense heat developed during the reaction between iron oxide and aluminium when a mixture of three parts of
atomic hydrogen weldingin this process an arc is struck between two tungsten electrodes using ac power supplythe streams of hydrogen gas are passed
stud weldingthis is an arc welding process in which the arc is struck between a metal stud or similar part and the base metal the arc heats the
capacitor discharge weldingthis is used for welding of studs welding of thermocouples etc on the base metal a low voltage high amperage electrical
data autonomous transmissionthis could be the possible replacement for the arinc 429 standard and will be annotated the standard - arinc 629 in the
electro slag welding this process is similar to the electro gas welding process designed for making butt welding in the vertical position in one
electro gas weldingthis process is an extension of mig i mag welding designed for single pass vertical welding of steel plates in the thickness
ultrasonic weldingthis is a solid state welding process for joining similar or dissimilar metals by application of high frequency vibratory energy to
laser beam weldingin this process fusion is achieved by directing a highly concentrated beam to a fine spot the word laser is an abbreviation of
read only memory romthe problem with ram is that its memory is volatile ie it loses all its data when the power supply is removed a non-volatile
random access memory ramthe ram-type memory will allow data to be written into it as well as read from it with very few exceptions rams lose their
electron beam weldingin this process fusion is achieved by focusing a high power density beam of electrons on the area to be joined upon striking the
explosive welding i claddingin this process two pieces of metal are impacted together at an extremely high velocity of impact achieved by the
basic computer structurea computer is an electronic device which can accept and process data by carrying out a set of stored instructions in sequence
friction weldingin this friction is employed to generate heat bw two sliding or rotating metal surfaces this process is usually carried out by
induction pressure weldingin this process the current is induced by high frequency induction process in the job due to electrical induction the job