Engineering Materials Stress relaxation is the phenomenon 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 In which parts are not loaded ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness and strength Machinability Hardness Strength and ductility Hardness and strength Machinability Hardness Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Hastelloy Invar Silver metal Duralumin Hastelloy Invar Silver metal Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Martensite Pearlite Austenite Cementite Martensite Pearlite Austenite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Allotropic change Solidus change Physical change Molecular change Allotropic change Solidus change Physical change ANSWER DOWNLOAD EXAMIANS APP
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