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