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Brazing and Soldering - Both soldering and brazing processes are useful for combination two dissimilar metals. Both brazing alloy and solder have lower melting points than the metals to be joined. Filler metal used in soldering has a melting point below 800°F while that in brazing has melting point above 800°F.
What are its applications? (i) Direct extrusion: The billet is placed in a container and forced by the die through a piston. (ii) Indirect extrusion: The extruded part
Hard magnetic materials Permanent magnets are used as passive generators of magnetic field. To produce and maintain the magnetic field, a material should have both high resid
What are the objectives of annealing? Annealing , is a heat treatment where in a material is altered, causing alters in its properties like as strength and hardness. It is a p
What are the functions of oxide layer in high quality IC? Explain. Silicon has the unique ability to be oxidized into silica, which makes a chemically stable, protective and i
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Which one of the following statements is correct? You may wish to examine a molecular model of this compound. 1. Carbon D is an asymmetric center and its configuration is R 2
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What are the chief characteristics of ferro-electric materials Ferroelectric materials have following characteristics: a) They have a huge dielectric constant which is non-
How to design a reaction vessel for esterification reaction
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