Materials and Construction German silver is an alloy of copper, nickel and Tin Zinc Silver Lead Tin Zinc Silver Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The metals occuring at the lower most position in the electromotive series Are very brittle Do not resist corrosion Resist corrosion very strongly Are heat insulators Are very brittle Do not resist corrosion Resist corrosion very strongly Are heat insulators ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Endurance Creep None of these Fatigue Endurance Creep None of these Fatigue ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Toughness Wear resistance Both B & C Hardenability Toughness Wear resistance Both B & C Hardenability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Very high sulphur in pig iron makes Its brittle and malleable Its hard and machinable All of these Its casting unsound Its brittle and malleable Its hard and machinable All of these Its casting unsound ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Corrosive Abrasive Both A & B Neither A nor B Corrosive Abrasive Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP