Materials and Construction The metals occuring at the lower most position in the electromotive series Are very brittle Resist corrosion very strongly Are heat insulators Do not resist corrosion Are very brittle Resist corrosion very strongly Are heat insulators Do not resist corrosion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 80 50 70 90 80 50 70 90 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Heavy duty bearings are usually made of White metal Monel Zinc Phosphorous bronze White metal Monel Zinc Phosphorous bronze ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Oxidised Reduced None of these Converted to a fine powder Oxidised Reduced None of these Converted to a fine powder ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Trough of an apron conveyor is made of Wood Either B or C Lead lined concrete vessel Metal Wood Either B or C Lead lined concrete vessel Metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 100% H₂SO₄ at 30°C can't be stored in a vessel made/lined with Mild steel and stainless steel Aluminium, tin and rubber Teflon, glass and porcelain Cast iron and high silicon iron Mild steel and stainless steel Aluminium, tin and rubber Teflon, glass and porcelain Cast iron and high silicon iron ANSWER DOWNLOAD EXAMIANS APP