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 Which of the following is a mineral? Basalt Syenite Quartz Granite Basalt Syenite Quartz Granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most important constituent of an oil paint, is Thinner All of these Pigment Vehicle Thinner All of these Pigment Vehicle ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used thinner in oil paints, is Turpentine Naphtha None the these Both (a) and (b) Turpentine Naphtha None the these Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Clay and silt content in a good brick earth must be at least 30 % 40 % 50 % 20 % 30 % 40 % 50 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron 700 m3 air is required 20 kg limestone is required All listed here One quintal coke is required 700 m3 air is required 20 kg limestone is required All listed here One quintal coke is required ANSWER DOWNLOAD EXAMIANS APP