Engineering Materials Which of the following elements does not impart hardness to steel? Silicon Chromium Nickel Copper Silicon Chromium Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Strength and ductility Machinability Hardness Hardness and strength Strength and ductility Machinability Hardness Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
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 Stress relaxation is the phenomenon 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 In which parts are not loaded Stress reduces on increasing load In which deformation tends to loosen the joint and produces a stress reduced ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Improve machining characteristic Relieve stresses Soften material Harden steel slightly Improve machining characteristic Relieve stresses Soften material Harden steel slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Fixed structure at all temperatures Any one of the above Different crystal structures at different temperatures Atoms distributed in random pattern Fixed structure at all temperatures Any one of the above Different crystal structures at different temperatures Atoms distributed in random pattern ANSWER DOWNLOAD EXAMIANS APP
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