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 Arsenic Bismuth Antimony Both B and C Arsenic Bismuth Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Invar Constantan Chromel Alumel Invar Constantan Chromel Alumel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material in Mho's scale (for measuring hardness) is Rubber Gypsum Talc None of these Rubber Gypsum Talc None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has a very high carbide forming tendency in steels? Chromium Silicon Vanadium Nickel Chromium Silicon Vanadium Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ can replace tungsten in high speed steel, Chromium Molybdenum Cobalt Vanadium Chromium Molybdenum Cobalt Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Austenitic stainless steel High speed steel Invar Heat resisting steel Austenitic stainless steel High speed steel Invar Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
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