Building Materials During pudding Carbon is converted into carbonic acid gas All listed here Molten metal is kept clear of the fuel Silicon forms a slag Carbon is converted into carbonic acid gas All listed here Molten metal is kept clear of the fuel Silicon forms a slag ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: Alumina Iron-oxide Lime Magnesia Alumina Iron-oxide Lime Magnesia ANSWER DOWNLOAD EXAMIANS APP
Building Materials Mastic asphalt is Water proof Fire proof Elastic All listed here Water proof Fire proof Elastic All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 25 % 10 % 20 % 15 % 25 % 10 % 20 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as White or forge pig Bessemer pig Mottled pig Grey or foundry pig White or forge pig Bessemer pig Mottled pig Grey or foundry pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron All listed here 20 kg limestone is required One quintal coke is required 700 m3 air is required All listed here 20 kg limestone is required One quintal coke is required 700 m3 air is required ANSWER DOWNLOAD EXAMIANS APP
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