Engineering Materials Super conduction by metals is observed in the temperature range of Below 10°K Around 100°C Around 0°C Above 100°K Below 10°K Around 100°C Around 0°C Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has A very high percentage of graphite Graphite as its basic constituent of composition A low percentage of graphite No graphite A very high percentage of graphite Graphite as its basic constituent of composition A low percentage of graphite No graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature Stages at which allotropic forms change There is nothing like points of arrest Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature Stages at which allotropic forms change There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Can be cut freely Is used where rapid machining is the prime requirement Contain carbon in free from Require minimum cutting force Can be cut freely Is used where rapid machining is the prime requirement Contain carbon in free from Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pig iron is the name given to Iron containing huge quantities of carbon Iron in molten form in the ladles Raw material for blast furnace Product of blast furnace made by reduction of iron ore Iron containing huge quantities of carbon Iron in molten form in the ladles Raw material for blast furnace Product of blast furnace made by reduction of iron ore 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 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 Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture ANSWER DOWNLOAD EXAMIANS APP
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