Engineering Materials Which of the following alloys does not have copper as one of the constituents? Nichrome Constantan Delta metal Monel metal Nichrome Constantan Delta metal Monel metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? Stainless steel Invar High speed steel Heat resisting steel Stainless steel Invar High speed steel Heat resisting steel 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 Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise High temperature and low strain rates favour brittle fracture Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Do not become hard with the application of heat and pressure and no chemical change occurs Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Wrought iron Malleable iron Cast iron Pig iron Wrought iron Malleable iron Cast iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel containing ferrite and pearlite is Hard Hard and tough Tough Soft Hard Hard and tough Tough Soft ANSWER DOWNLOAD EXAMIANS APP
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