Engineering Materials Which of the following metal shrinks most from molten state to solid state? Brass Cast steel Cast iron Admiralty metal Brass Cast steel Cast iron Admiralty metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypoeutectic cast irons Eutectic cast irons None of these Hypereutectic cast irons Hypoeutectic cast irons Eutectic cast irons None of these Hypereutectic cast irons 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 Which is not attacked by phosphorous In which atoms align themselves in a geometric pattern upon solidification 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 Which is not attacked by phosphorous In which atoms align themselves in a geometric pattern upon solidification ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron Alloying elements like chromium, tungsten nickel and copper 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron Alloying elements like chromium, tungsten nickel and copper 80% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Silicon Phosphorus Manganese Sulphur Silicon Phosphorus Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about 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 Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture ANSWER DOWNLOAD EXAMIANS APP
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