Building Materials Three basic raw materials which are needed in large quantities for production of steel are 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 Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of H₂S and CO₂ Lime and H₂O CaSO4 and H₂O CO₂ and calcium H₂S and CO₂ Lime and H₂O CaSO4 and H₂O CO₂ and calcium ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 15% of cobalt 35% of cobalt 45% of cobalt 20% of cobalt 15% of cobalt 35% of cobalt 45% of cobalt 20% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime mortar is generally made with Plain lime Quick lime Fat lime Hydraulic lime Plain lime Quick lime Fat lime Hydraulic lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials A mortar joint in masonry which is normal to the face of wall is known as Cross joint Bonded joint Bed joint Wall joint Cross joint Bonded joint Bed joint Wall joint ANSWER DOWNLOAD EXAMIANS APP
Building Materials The coefficient of hardness of stones used in road work should be greater than 10 17 12 15 10 17 12 15 ANSWER DOWNLOAD EXAMIANS APP
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