Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its Low thermal conductivity High co-efficient of thermal expansion High corrosion resistance All of these Low thermal conductivity High co-efficient of thermal expansion High corrosion resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains Troostite None of these Martensite Sorbite Troostite None of these Martensite Sorbite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a non-ferrous alloy? Meehanite Magnalium Muntz metal Gun metal Meehanite Magnalium Muntz metal Gun metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven walls are lined with __________ bricks. Low thermal conductivity Tar-dolomite Silica Fire clay Low thermal conductivity Tar-dolomite Silica Fire clay ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The increase in hardness of metal due to its cold working is termed as the __________ hardening. Age Induction Work Flame Age Induction Work Flame ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The metals occuring at the lower most position in the electromotive series Are very brittle Resist corrosion very strongly Are heat insulators Do not resist corrosion Are very brittle Resist corrosion very strongly Are heat insulators Do not resist corrosion ANSWER DOWNLOAD EXAMIANS APP
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