Materials and Construction A chemical change takes place when iron None of these Melts Is heated Rusts None of these Melts Is heated Rusts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is not used For producing zinc base die casting alloys In its oxide form as pigments As anode for corrosion prevention in boiler As an alloying element in various bronzes For producing zinc base die casting alloys In its oxide form as pigments As anode for corrosion prevention in boiler As an alloying element in various bronzes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon supply in pack carburising process is in the form of Hydrocarbon oil Charcoal Calcium carbide Graphite Hydrocarbon oil Charcoal Calcium carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Residual magnetism in steel for magnets is increased by the addition of Chromium Tungsten Cobalt Nickel Chromium Tungsten Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Manganese in steel affects its None of these Hardness Tensile strength Ductility None of these Hardness Tensile strength Ductility ANSWER DOWNLOAD EXAMIANS APP
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