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 Arsenic Bismuth Both B and C Antimony Arsenic Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage in medium carbon steel is around 0.1 to 0.35 0.35 to 0.5 0.8 to 1.4 1 to 1. 5 0.1 to 0.35 0.35 to 0.5 0.8 to 1.4 1 to 1. 5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Calcium Aluminium Iron Silver Calcium Aluminium Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both Have very poor fatigue resistance Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both Have very poor fatigue resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Both A & B Copper Magnesium Neither A nor B Both A & B Copper Magnesium Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Rubber Glass Plastic Steel Rubber Glass Plastic Steel ANSWER DOWNLOAD EXAMIANS APP
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