Materials and Construction With increase in carbide/graphite ratio in cast iron, its Both A & B Hardness & brittleness increases Ductility decreases Neither A nor B Both A & B Hardness & brittleness increases Ductility decreases Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Copper bearing steel Concrete Wood Procelain Copper bearing steel Concrete Wood Procelain ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Austenitic stainless steel Invar High speed steel Heat resisting steel Austenitic stainless steel Invar High speed steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Annealing Heating Cold working Shot blasting Annealing Heating Cold working Shot blasting ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chilled iron castings are Soft on surface Easily machinable None of these Highly wear resistant Soft on surface Easily machinable None of these Highly wear resistant ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The largest consumption of zinc for alloys is in the making of Brasses Die casting alloys Brazing solder Bearing metal Brasses Die casting alloys Brazing solder Bearing metal ANSWER DOWNLOAD EXAMIANS APP
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