Materials and Construction Hammers and railway rails are normally made of Dead mild steel Mild steel High carbon steel Medium carbon steel Dead mild steel Mild steel High carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 18/8 steel is a/an __________ stainless steel. Ferritic None of these Martensitic Austenitic Ferritic None of these Martensitic Austenitic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by Dilute HC₁ v Acetic acid None of these Dilute HC₁ v Acetic acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Abrasive Both A & B Corrosive Neither A nor B Abrasive Both A & B Corrosive Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Arsenic Bismuth Antimony Oxygen Arsenic Bismuth Antimony Oxygen ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Has a body centred cubic (bcc) crystal lattice structure ANSWER DOWNLOAD EXAMIANS APP
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