Building Materials Pig iron is manufactured from the ores by All of these Smelting Calcination and roasting Dressing All of these Smelting Calcination and roasting Dressing 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: Lime Iron-oxide Magnesia Alumina Lime Iron-oxide Magnesia Alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the polymineralic rock from the following: Magnesite Quartz sand Pure gypsum Granite Magnesite Quartz sand Pure gypsum Granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cement becomes unsound by the presence of excess All of these Sulphur Lime Magnesia All of these Sulphur Lime Magnesia ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asphalt is obtained from Petroleum distillation Plastic distillation Bitumen distillation None of these Petroleum distillation Plastic distillation Bitumen distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of 5 to 10 years 1 to 5 years More than 10 years Less than one year 5 to 10 years 1 to 5 years More than 10 years Less than one year ANSWER DOWNLOAD EXAMIANS APP
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