Engineering Materials Which of the following constituents of steels is softest and least strong? Ferrite Cementite Austenite Pearlite Ferrite Cementite Austenite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Martenistic structure Carburised structure Formation of bainite structure Lamellar layers of carbide distributed throughout the structure Martenistic structure Carburised structure Formation of bainite structure Lamellar layers of carbide distributed throughout the structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these More than Equal to Less than None of these More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has All of these Carbon in the form of free graphite High tensile strength Low compressive strength All of these Carbon in the form of free graphite High tensile strength Low compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals first start forming from molten metal when it is cooled At which change of allotropic form takes place At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals first start forming from molten metal when it is cooled At which change of allotropic form takes place ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
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