Engineering Materials A material is said to be allotropic, if it has Fixed structure at all temperatures Any one of the above Different crystal structures at different temperatures Atoms distributed in random pattern Fixed structure at all temperatures Any one of the above Different crystal structures at different temperatures Atoms distributed in random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. More than Less than Equal to None of these More than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The transistor is made of Germanium Copper Silver Gold Germanium Copper Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Above 2.2% Above 1% Below 1% Below 0.5% Above 2.2% Above 1% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pig iron is the name given to Raw material for blast furnace Product of blast furnace made by reduction of iron ore Iron in molten form in the ladles Iron containing huge quantities of carbon Raw material for blast furnace Product of blast furnace made by reduction of iron ore Iron in molten form in the ladles Iron containing huge quantities of carbon ANSWER DOWNLOAD EXAMIANS APP