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 Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Shot peening Surface decarburisation Nitriding of surface Cold working Shot peening Surface decarburisation Nitriding of surface ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The electric process of steel making is especially adapted to High speed tool steel Alloy and carbon tool steel All of these Magnet steel High speed tool steel Alloy and carbon tool steel All of these Magnet steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one Which emits fumes on melting In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid In which atoms align themselves in a geometric pattern upon solidification Which is not attacked by phosphorous Which emits fumes on melting In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid In which atoms align themselves in a geometric pattern upon solidification Which is not attacked by phosphorous ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has Graphite as its basic constituent of composition No graphite A very high percentage of graphite A low percentage of graphite Graphite as its basic constituent of composition No graphite A very high percentage of graphite A low percentage of graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 1400 to 1539°C Below 723°C 910 to 1440°C 770 to 910°C 1400 to 1539°C Below 723°C 910 to 1440°C 770 to 910°C ANSWER DOWNLOAD EXAMIANS APP
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