Materials and Construction Chromel (Nichrome) is an alloy of Molybdenum and nickel Nickel and chromium Chromium and aluminium Chromium and molybdenum Molybdenum and nickel Nickel and chromium Chromium and aluminium Chromium and molybdenum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Has a body centred cubic (bcc) crystal lattice structure Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Is used as an alloying element for both ferrous & non-ferrous alloys Has a body centred cubic (bcc) crystal lattice structure Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Is used as an alloying element for both ferrous & non-ferrous alloys 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 None of these Acetic acid Dilute HC₁ v None of these Acetic acid Dilute HC₁ v ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage is the same in cast iron and Pig iron High silicon (14%) iron Mild steel Wrought iron Pig iron High silicon (14%) iron Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials All of these Are exemplified by clay and mica Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons All of these Are exemplified by clay and mica Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons ANSWER DOWNLOAD EXAMIANS APP
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