Engineering Materials Induction hardening is the process of Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Heating and cooling rapidly Inducing hardness by continuous process Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Heating and cooling rapidly Inducing hardness by continuous process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All nonferrous materials All of these Cast iron High speed steel All nonferrous materials All of these Cast iron High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Surface decarburisation Shot peening Nitriding of surface Cold working Surface decarburisation Shot peening Nitriding of surface ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon In which parts are not loaded Stress reduces on increasing load In which deformation tends to loosen the joint and produces a stress reduced In which stress remains constant on increasing load In which parts are not loaded Stress reduces on increasing load In which deformation tends to loosen the joint and produces a stress reduced In which stress remains constant on increasing load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which change of allotropic form takes place At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated ANSWER DOWNLOAD EXAMIANS APP
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