Engineering Materials The addition of which of the following improves machining of copper? Vanadium Sulphur Tin Zinc Vanadium Sulphur Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Sulphur Manganese Phosphorus Silicon Sulphur Manganese Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Exists in several crystal forms at different temperatures Responds to heat treatment Has its atoms distributed in a random pattern Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Responds to heat treatment Has its atoms distributed in a random pattern Has a fixed structure under all conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Mild steel Copper Aluminium Nickel Mild steel Copper Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Increases Decreases Does not effect None of these Increases Decreases Does not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin and lead Tin, lead and silver Tin and copper Tin, lead and small percentage of antimony Tin and lead Tin, lead and silver Tin and copper ANSWER DOWNLOAD EXAMIANS APP
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