Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Duralumin Invar Hastelloy Silver metal Duralumin Invar Hastelloy Silver metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following alloys does not have copper as one of the constituents? Nichrome Delta metal Monel metal Constantan Nichrome Delta metal Monel metal Constantan ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can cut another metal Can be drawn into wires Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can cut another metal Can be drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve toughness Improve ductility Improve machinability Release stresses Improve toughness Improve ductility Improve machinability Release stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Pearlite Martensite Austenite Cementite Pearlite Martensite Austenite Cementite ANSWER DOWNLOAD EXAMIANS APP