Materials and Construction Which of the following is the hardest material? Quartz Topaz Corrundum Flourite Quartz Topaz Corrundum Flourite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the softest material? Calcite Corrundum Flourite Quartz Calcite Corrundum Flourite Quartz ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood is corroded by SO₂ (dry or wet) Chlorine (dry or wet) Hydrochloric acid All of these SO₂ (dry or wet) Chlorine (dry or wet) Hydrochloric acid All of these 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 An alloy of iron, chromium & carbon Malleable & ductile; and hence is used for chain links, hooks & couplings High carbon iron Highly resistance to acid corrosion An alloy of iron, chromium & carbon Malleable & ductile; and hence is used for chain links, hooks & couplings High carbon iron Highly resistance to acid corrosion ANSWER DOWNLOAD EXAMIANS APP
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