Materials and Construction Which of the following is the hardest material? Topaz Flourite Corrundum Quartz Topaz Flourite Corrundum Quartz ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the softest material? Quartz Flourite Corrundum Calcite Quartz Flourite Corrundum Calcite 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 Increases its ductility 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 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 High carbon iron Highly resistance to acid corrosion Malleable & ductile; and hence is used for chain links, hooks & couplings An alloy of iron, chromium & carbon High carbon iron Highly resistance to acid corrosion ANSWER DOWNLOAD EXAMIANS APP
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