Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Dielectric None of these Metal/alloy Semi-conductor Dielectric None of these Metal/alloy Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Antimony Arsenic Oxygen Bismuth Antimony Arsenic Oxygen Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Yield stress, hardness and fatigue strength is not at all affected Cracks and blow holes are eliminated Appreciable strain hardening is produced Ductility and impact strength improves Yield stress, hardness and fatigue strength is not at all affected Cracks and blow holes are eliminated Appreciable strain hardening is produced Ductility and impact strength improves ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid pickling tanks are lined with Rubber Aluminium Glass Nickel Rubber Aluminium Glass Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of tungsten to steel imparts Ductility Magnetic properties Cutting hardness Corrosion resistance Ductility Magnetic properties Cutting hardness Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium Tin, nickel, iron and chromium None of these And graphite And copper Tin, nickel, iron and chromium None of these And graphite And copper ANSWER DOWNLOAD EXAMIANS APP
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