Materials and Construction Wrought iron is An alloy of iron, chromium & carbon Highly resistance to acid corrosion High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings An alloy of iron, chromium & carbon Highly resistance to acid corrosion High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Cracks and blow holes are eliminated Ductility and impact strength improves Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Cracks and blow holes are eliminated Ductility and impact strength improves Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar used in thermocouples is an alloy of nickel and Lead Chromium Copper Iron Lead Chromium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The most distinguished property of malleable cast iron is its high Ductility None of these Hardness Malleability Ductility None of these Hardness Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Heat resisting steel Austenitic stainless steel Invar High speed steel Heat resisting steel Austenitic stainless steel Invar High speed steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Wood Copper bearing steel Concrete Procelain Wood Copper bearing steel Concrete Procelain ANSWER DOWNLOAD EXAMIANS APP