Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 500 1100 900 750 500 1100 900 750 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Antimony Bismuth Both B and C Arsenic Antimony Bismuth Both B and C Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Percentage of silver in German silver is 5 10 20 0 5 10 20 0 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by None of these Sulphuric acid (10%) Phosphoric acid Caustic soda solution None of these Sulphuric acid (10%) Phosphoric acid Caustic soda solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Biological shield in a nuclear power reactor is made of Cadmium Steel Concrete Zircalloy Cadmium Steel Concrete Zircalloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised In a direction opposite to that of the applied field Strongly Only slightly With eddy currents only In a direction opposite to that of the applied field Strongly Only slightly With eddy currents only ANSWER DOWNLOAD EXAMIANS APP