Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the lowest Above the highest Between the first & second Between the second & third Above the lowest Above the highest Between the first & second Between the second & third ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Karbate is Carbon impregnated with resin (usually bakelite) A mixture of iron dust and saw dust Both B and C An acid resistant material Carbon impregnated with resin (usually bakelite) A mixture of iron dust and saw dust Both B and C An acid resistant material ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of PTFE and porcelain None of these Stainless steel and high silicon cast iron Cast iron and aluminium PTFE and porcelain None of these Stainless steel and high silicon cast iron Cast iron and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ moulding process can not be used for thermoplastic plastics. Compression None of these Injection Extrusion Compression None of these Injection Extrusion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Teflon Bakelite Glass lined steel Glass Teflon Bakelite Glass lined steel Glass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to None of these Soften its surface Harden its surface Improve its reliability None of these Soften its surface Harden its surface Improve its reliability ANSWER DOWNLOAD EXAMIANS APP
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