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