Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to White cast iron Toughed cast iron Mottled cast iron Grey cast iron White cast iron Toughed cast iron Mottled cast iron Grey cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as Burls None of these Knots Rindgalls Burls None of these Knots Rindgalls ANSWER DOWNLOAD EXAMIANS APP
Building Materials Steel contains carbon approximately 1.50% to 5.6% 0.25 % 0.05% to 1.75% None to these 1.50% to 5.6% 0.25 % 0.05% to 1.75% None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace All listed here Forms carbon dioxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide All listed here Forms carbon dioxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of carbon content in mild steel is Between 0.25 and 0.7 Between 0.7 and 1.5 Greater than 1.5 Less than 0.25 Between 0.25 and 0.7 Between 0.7 and 1.5 Greater than 1.5 Less than 0.25 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A pug mill is used for Moulding brick earth Providing brick earth Softening brick earth Tempering brick earth Moulding brick earth Providing brick earth Softening brick earth Tempering brick earth ANSWER DOWNLOAD EXAMIANS APP