Engineering Materials Vanadium in high speed steels Promotes decarburisation Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Promotes decarburisation Provides high hot hardness Promotes retention of austenite Forms very hard carbides and thus increases wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin and lead Tin and copper Tin, lead and small percentage of antimony Tin, lead and silver Tin and lead Tin and copper Tin, lead and small percentage of antimony Tin, lead and silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to heavy loads, is White metal Phosphor bronze Silicon bronze Monel metal White metal Phosphor bronze Silicon bronze Monel metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Tough Brittle Ductile Hard Tough Brittle Ductile Hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Surface defect None of these Point defect Line defect Surface defect None of these Point defect Line defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about 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 Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture ANSWER DOWNLOAD EXAMIANS APP
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