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