Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel Invar Stainless steel High speed steel Heat resisting steel Invar Stainless steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond Metallic bond None of these Ionic bond Covalent bond Metallic bond None of these Ionic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease Increase First increase and then decrease Remain same Decrease Increase First increase and then decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Martensite Cementite Austenite Pearlite Martensite Cementite Austenite Pearlite 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 According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.0004 0.4 to 0.6% 0.6 to 0.8% 0.35 to 0.45% 0.0004 0.4 to 0.6% 0.6 to 0.8% 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
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