Materials and Construction Chromel (Nichrome) is an alloy of Nickel and chromium Molybdenum and nickel Chromium and aluminium Chromium and molybdenum Nickel and chromium Molybdenum and nickel Chromium and aluminium Chromium and molybdenum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. Precipitation Fusion Agglomeration Sintering Precipitation Fusion Agglomeration Sintering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Oxidised None of these Reduced Converted to a fine powder Oxidised None of these Reduced Converted to a fine powder ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Between the second & third Above the lowest Between the first & second Above the highest Between the second & third Above the lowest Between the first & second Above the highest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Enough plasticity High toughness Low thermal conductivity Low co-efficient of friction Enough plasticity High toughness Low thermal conductivity Low co-efficient of friction ANSWER DOWNLOAD EXAMIANS APP