Building Materials Which of the following bricks are used for lining of furnaces? Over-burnt bricks Under-burnt bricks First class bricks Refractory bricks Over-burnt bricks Under-burnt bricks First class bricks Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The steel used for the manufacture of rails, is Stainless steel Cast steel Bessemer steel Mild steel Stainless steel Cast steel Bessemer steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Spirit varnish generally consists of Spirit and shellac Alcohol, wax and turpentine Oil, wax and resin Pigment and synthetic resin Spirit and shellac Alcohol, wax and turpentine Oil, wax and resin Pigment and synthetic resin ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about 0.5% to 1.75% 1.5% to 5.5% None to these 0.1% to 0.25% 0.5% to 1.75% 1.5% to 5.5% None to these 0.1% to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and sulphur Iron ore, carbon and lime stone Iron ore, coal and sulphur Iron ore, coal and lime stone Iron ore, carbon and sulphur Iron ore, carbon and lime stone Iron ore, coal and sulphur Iron ore, coal and lime stone ANSWER DOWNLOAD EXAMIANS APP
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