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