Materials and Construction Which of the following is the hardest material? Quartz Topaz Flourite Corrundum Quartz Topaz Flourite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the softest material? Flourite Calcite Quartz Corrundum Flourite Calcite Quartz Corrundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood is corroded by Chlorine (dry or wet) SO₂ (dry or wet) All of these Hydrochloric acid Chlorine (dry or wet) SO₂ (dry or wet) All of these Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Work hardening of a material Decreases its tensile strength Does not affect its ductility Increases its ductility Decreases its ductility Decreases its tensile strength Does not affect its ductility Increases its ductility Decreases its ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion High carbon iron An alloy of iron, chromium & carbon Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion High carbon iron An alloy of iron, chromium & carbon ANSWER DOWNLOAD EXAMIANS APP
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