Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. Silicone rubber Stainless steel Tin and wood High silicon iron, Kel-F and teflon Silicone rubber Stainless steel Tin and wood High silicon iron, Kel-F and teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The most distinguished property of malleable cast iron is its high Ductility None of these Malleability Hardness Ductility None of these Malleability Hardness ANSWER DOWNLOAD EXAMIANS APP
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 The softest material in Mho's scale (for measuring hardness) is Rubber Gypsum Talc None of these Rubber Gypsum Talc None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spray dryer for evaporating milk to produce milk powder is made of Lead lined steel Aluminium Cast iron Stainless steel Lead lined steel Aluminium Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel Decreases the blow holes formation tendency in castings None of these Indicates that steel is not deoxidised properly Is in the form of free Si Decreases the blow holes formation tendency in castings None of these Indicates that steel is not deoxidised properly Is in the form of free Si ANSWER DOWNLOAD EXAMIANS APP