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 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 Kel-F is a material, which is All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aqueous nitric acid is stored in __________ vessel. Cast iron Thermosetting plastic material Stainless steel Plain carbon steel Cast iron Thermosetting plastic material Stainless steel Plain carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nickel in steel improves its Wear resistance All of these Cutting ability Corrosion resistance Wear resistance All of these Cutting ability Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium Tin, nickel, iron and chromium And copper None of these And graphite Tin, nickel, iron and chromium And copper None of these And graphite ANSWER DOWNLOAD EXAMIANS APP
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