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