Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, coal and sulphur Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, coal and sulphur ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Defects caused by crushing fibres Speckled strains Splits radiating from the centre Signs of branches cut off Defects caused by crushing fibres Speckled strains Splits radiating from the centre Signs of branches cut off ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is the purest form of iron? Wrought iron Cast iron Mild steel High carbon steel Wrought iron Cast iron Mild steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept 10% larger than specified size A little small to specified size A little large to specified size Equal to specified size 10% larger than specified size A little small to specified size A little large to specified size Equal to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron All listed here 20 kg limestone is required 700 m3 air is required One quintal coke is required All listed here 20 kg limestone is required 700 m3 air is required One quintal coke is required ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bulking of sand is caused due to Viscosity Surface moisture Clay contents Air voids Viscosity Surface moisture Clay contents Air voids ANSWER DOWNLOAD EXAMIANS APP