Building Materials Bitumen completely dissolves in Coal tar Chloroform All of these Carbon bisulphide Coal tar Chloroform All of these Carbon bisulphide ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide Forms carbon dioxide All listed here Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide Forms carbon dioxide All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Resins are Not soluble in water Left behind on evaporation of oil Used in varnishes Soluble in spirit Not soluble in water Left behind on evaporation of oil Used in varnishes Soluble in spirit ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sea sand used in structures causes Efflorescence Dampness Disintegration All of these Efflorescence Dampness Disintegration All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron All listed here 700 m3 air is required One quintal coke is required 20 kg limestone is required All listed here 700 m3 air is required One quintal coke is required 20 kg limestone is required ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS