Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Invar Austenitic stainless steel High speed steel Heat resisting steel Invar Austenitic stainless steel High speed steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Manganese in steel affects its Tensile strength None of these Hardness Ductility Tensile strength None of these Hardness Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Increases Remains unchanged Decreases May increase or decrease ; unpredictable Increases Remains unchanged Decreases May increase or decrease ; unpredictable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of 2% nickel in steel makes it suitable for making Turbine blades Connecting rod Electronic valves Boiler plates, rivets etc Turbine blades Connecting rod Electronic valves Boiler plates, rivets etc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon supply in pack carburising process is in the form of Calcium carbide Graphite Charcoal Hydrocarbon oil Calcium carbide Graphite Charcoal Hydrocarbon oil ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brine solution is stored/treated in __________ lined vessels/pipes. Nickel Glass Rubber Lead Nickel Glass Rubber Lead ANSWER DOWNLOAD EXAMIANS APP
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