Engineering Materials The hardness of steel primarily depends on Heat treatment employed Percentage of carbon Percentage of alloying elements Shape of carbides and their distribution in iron Heat treatment employed Percentage of carbon Percentage of alloying elements Shape of carbides and their distribution in iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.6 to 0.8% 0.4 to 0.6% 0.0004 0.35 to 0.45% 0.6 to 0.8% 0.4 to 0.6% 0.0004 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Monel metal contains 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper Malleable iron and zinc 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper Malleable iron and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Generators and transformers in the form of laminated cores Motor car crankshafts Cutting tools Connecting rods Generators and transformers in the form of laminated cores Motor car crankshafts Cutting tools Connecting rods ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Connecting rod is, usually, made from High speed steel Low carbon steel Medium carbon steel High carbon steel High speed steel Low carbon steel Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Cup and cone formation is characteristic for brittle materials ANSWER DOWNLOAD EXAMIANS APP
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