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 Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Cracks and blow holes are eliminated Ductility and impact strength improves Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Cast iron Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Monel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High carbon steel contains more than __________ percent carbon. 0.5 2.2 2.5 2.8 0.5 2.2 2.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in the carbon percentage in the steel, its Ductility reduces Tensile strength increases All of these Hardness increases Ductility reduces Tensile strength increases All of these Hardness increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon supply in pack carburising process is in the form of Charcoal Hydrocarbon oil Calcium carbide Graphite Charcoal Hydrocarbon oil Calcium carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion An alloy of iron, chromium & carbon High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion An alloy of iron, chromium & carbon ANSWER DOWNLOAD EXAMIANS APP
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