Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Metal/alloy None of these Dielectric Semi-conductor Metal/alloy None of these Dielectric Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The crystal structure of most of the common metals is Cubic Orthorhombic Hexagonal None of these Cubic Orthorhombic Hexagonal None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials All of these Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica Never exhibit polymorphism All of these Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica Never exhibit polymorphism ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with Lead or glass Karbate PVC Fireclay bricks Lead or glass Karbate PVC Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resistance of steel is increased by the addition of Molybdenum and tungsten Nickel and chromium Lead and vanadium Phosphorous and tungsten Molybdenum and tungsten Nickel and chromium Lead and vanadium Phosphorous and tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. Agglomeration Precipitation Sintering Fusion Agglomeration Precipitation Sintering Fusion ANSWER DOWNLOAD EXAMIANS APP
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