Engineering Materials The addition of which of the following improves machining of copper? Zinc Vanadium Tin Sulphur Zinc Vanadium Tin Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin and copper Tin and lead Tin, lead and silver Tin, lead and small percentage of antimony Tin and copper Tin and lead Tin, lead and silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Above 0.8% 0.008 Below 0.8% None of these Above 0.8% 0.008 Below 0.8% None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The unit cells Have the same orientation and their similar faces are parallel May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice All of these Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal Have the same orientation and their similar faces are parallel May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice All of these Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Atoms distributed in random pattern Different crystal structures at different temperatures Any one of the above Fixed structure at all temperatures Atoms distributed in random pattern Different crystal structures at different temperatures Any one of the above Fixed structure at all temperatures ANSWER DOWNLOAD EXAMIANS APP
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