Building Materials Which of the following bricks are used for lining of furnaces? Under-burnt bricks Over-burnt bricks Refractory bricks First class bricks Under-burnt bricks Over-burnt bricks Refractory bricks First class bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done By roasting in heaps All listed here To remove carbonic acid To remove moisture By roasting in heaps All listed here To remove carbonic acid To remove moisture ANSWER DOWNLOAD EXAMIANS APP
Building Materials The practical limit of moisture content achieved in air drying of timber is 35 % 25 % 5 % 15 % 35 % 25 % 5 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron 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 All listed here 20 kg limestone is required ANSWER DOWNLOAD EXAMIANS APP
Building Materials Mastic asphalt is generally used for Partition walls Water proof layer Damp proof course Both (A) and (B) Partition walls Water proof layer Damp proof course Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron All listed here May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron Is manufactured in required shapes All listed here May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron Is manufactured in required shapes ANSWER DOWNLOAD EXAMIANS APP