Materials and Construction Rotary driers are generally made of Cast iron Tin lined with refractory bricks High silicon iron (14% Si) Mild steel Cast iron Tin lined with refractory bricks High silicon iron (14% Si) Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Copper, cast iron & high silicon iron (14% Si) Glass, graphite, porcelain & stoneware Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. Constantan German silver Chromel Kanthal Constantan German silver Chromel Kanthal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C Do not have good resilience properties Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C Do not have good resilience properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The maximum percentage of chromium that can be added to steel is about 18 30 12 24 18 30 12 24 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Shock resisting steels should possess high Wear resistance Hardness Tensile strength Toughness Wear resistance Hardness Tensile strength Toughness ANSWER DOWNLOAD EXAMIANS APP