Materials and Construction The metals occuring at the lower most position in the electromotive series Are heat insulators Resist corrosion very strongly Do not resist corrosion Are very brittle Are heat insulators Resist corrosion very strongly Do not resist corrosion Are very brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. None of these Semi-conductor Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Tensile strength Compressive strength Corrosion resistance Machinability Tensile strength Compressive strength Corrosion resistance Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its All of these High co-efficient of thermal expansion High corrosion resistance Low thermal conductivity All of these High co-efficient of thermal expansion High corrosion resistance Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Urea autoclave is made of Refractory blocks Lead lined steel Stainless steel Cast iron Refractory blocks Lead lined steel Stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Annealing Heating Shot blasting Cold working Annealing Heating Shot blasting Cold working ANSWER DOWNLOAD EXAMIANS APP
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