Engineering Materials A material is known as allotropic or polymorphic if it 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 Exists in several crystal forms at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Copper Magnesium Lead and bismuth Silicon Copper Magnesium Lead and bismuth Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt Molybdenum Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has Low tensile strength All of these Carbon in the form of carbide High compressive strength Low tensile strength All of these Carbon in the form of carbide High compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Mild steel Lead German silver Graphite Mild steel Lead German silver Graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Shot peening Nitriding of surface Surface decarburisation Cold working Shot peening Nitriding of surface Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
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