Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Residual magnetism in steel for magnets is increased by the addition of Tungsten Nickel Cobalt Chromium Tungsten Nickel Cobalt Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron Is heated Melts Rusts None of these Is heated Melts Rusts None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Percentage elongation of a material is a measure of its Toughness Brittleness Malleability Ductility Toughness Brittleness Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Condenser tubes are not made of Aluminium brass alloy Cartridge brass Muntz brass Wood metal Aluminium brass alloy Cartridge brass Muntz brass Wood metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polymorphism is not exhibited by Iron None of these Phosphorous Carbon Iron None of these Phosphorous Carbon ANSWER DOWNLOAD EXAMIANS APP
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