Engineering Materials A material is known as allotropic or polymorphic if it Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Responds to heat treatment Has a fixed structure under all conditions Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Responds to heat treatment Has a fixed structure under all conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Silicon Nickel Chromium Copper Silicon Nickel Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Permalloy is a Polymer None ferrous alloy Kind of stainless steel Nickel and iron alloy having high permeability Polymer None ferrous alloy Kind of stainless steel Nickel and iron alloy having high permeability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Silicon bronze Gun metal Aluminium bronze Babbitt metal Silicon bronze Gun metal Aluminium bronze Babbitt metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony ANSWER DOWNLOAD EXAMIANS APP
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