Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Pearlite Ferrite Cementite Austenite Pearlite Ferrite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Nickel Mild steel Copper Aluminium Nickel Mild steel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 1% Below 0.5% Above 1% Above 2.2% Below 1% Below 0.5% Above 1% Above 2.2% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Is used where rapid machining is the prime requirement Require minimum cutting force Can be cut freely Contain carbon in free from Is used where rapid machining is the prime requirement Require minimum cutting force Can be cut freely Contain carbon in free from ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.013 0.002 0.02 0.008 0.013 0.002 0.02 0.008 ANSWER DOWNLOAD EXAMIANS APP
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