Materials and Construction Super conductors are those substances, which Conduct electricity at low temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not shipped in mild steel containers? Formic acid Ethyl alcohol Acetone Ammonia Formic acid Ethyl alcohol Acetone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel (56%) and molybdenum (17%) alloys are called Hastealloy C Monel Bronzes Inconel Hastealloy C Monel Bronzes Inconel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cold work tool steel should have Poor hardenability All of these High wear resistance High toughness Poor hardenability All of these High wear resistance High toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Ductility decreases Hardness & brittleness increases Neither A nor B Both A & B Ductility decreases Hardness & brittleness increases Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Acidic refractory Rubber Lead or acid-proof bricks Karbate Acidic refractory Rubber Lead or acid-proof bricks Karbate ANSWER DOWNLOAD EXAMIANS APP
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