Materials and Construction The hardest material just prior to diamond in Mhos scale is Corrundum Topax Carborundum Calcite Corrundum Topax Carborundum Calcite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Photographic plates are coated with Silver nitrate Metallic silver Silver halide Calcium silicate Silver nitrate Metallic silver Silver halide Calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Both B and C Antimony Bismuth Arsenic Both B and C Antimony Bismuth Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Annealing None of these Normalising Tempering Annealing None of these Normalising Tempering 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 v Acetic acid Dilute HC₁ None of these v Acetic acid Dilute HC₁ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polymorphism is not exhibited by Iron Carbon Phosphorous None of these Iron Carbon Phosphorous None of these ANSWER DOWNLOAD EXAMIANS APP