Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Grey cast iron Toughed cast iron Mottled cast iron White cast iron Grey cast iron Toughed cast iron Mottled cast iron White cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials A pug mill is used for Providing brick earth Softening brick earth Moulding brick earth Tempering brick earth Providing brick earth Softening brick earth Moulding brick earth Tempering brick earth ANSWER DOWNLOAD EXAMIANS APP
Building Materials Generally wooden moulds are made from Ply wood Shishum wood Teak wood Deodar wood Ply wood Shishum wood Teak wood Deodar wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron is manufactured from pig iron by Shingling Refining Pudding All of these Shingling Refining Pudding All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace All listed here Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide All listed here Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials French polish is None to these Spirit varnish Distemper Oil paint None to these Spirit varnish Distemper Oil paint ANSWER DOWNLOAD EXAMIANS APP
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