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 corrosion resistance Low thermal conductivity High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity High co-efficient of thermal expansion All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal is not a Lead base alloy Tin base alloy Pure metal White metal Lead base alloy Tin base alloy Pure metal White metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ moulding process can not be used for thermoplastic plastics. Extrusion None of these Compression Injection Extrusion None of these Compression Injection ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Glass, graphite, porcelain & stoneware ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is corroded by None of these Hydrochloric acid Sulphuric acid (10%) Sea water None of these Hydrochloric acid Sulphuric acid (10%) Sea water ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 90 80 50 70 90 80 50 70 ANSWER DOWNLOAD EXAMIANS APP