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 High corrosion resistance Low thermal conductivity All of these High co-efficient of thermal expansion High corrosion resistance Low thermal conductivity All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of nickel to copper improves its Ductility Machinability Strength Hardness Ductility Machinability Strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Magnesium Aluminium Lead Cadmium Magnesium Aluminium Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has High ductility Elastic limit close to ultimate breaking strength High malleability Very high tensile strenth High ductility Elastic limit close to ultimate breaking strength High malleability Very high tensile strenth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The range of Mho's scale of hardness is from 0 to 10 1 to 8 1 to 10 1 to 15 0 to 10 1 to 8 1 to 10 1 to 15 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Stainless steel is not corroded by Nitric acid (10%) Sulphuric acid (10%) Hydrochloric acid (10%) Saturated brine Nitric acid (10%) Sulphuric acid (10%) Hydrochloric acid (10%) Saturated brine ANSWER DOWNLOAD EXAMIANS APP
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