Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to White cast iron Mottled cast iron Grey cast iron Toughed cast iron White cast iron Mottled cast iron Grey cast iron Toughed cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slate is formed by metamorphic action on Lime stone Granite Shale Sand stone Lime stone Granite Shale Sand stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron contains carbon approximately 1.5% to 5.5% None to these 0.250 % 0.05% to 1.75% 1.5% to 5.5% None to these 0.250 % 0.05% to 1.75% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Forge pig may be converted to wrought iron by Refining Pudding Shingling Rolling Refining Pudding Shingling Rolling ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 15, 75, 10 10, 75, 15 75, 10, 15 10, 15, 75 15, 75, 10 10, 75, 15 75, 10, 15 10, 15, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The base material for distemper, is Lime putty Lime Cement wash Chalk Lime putty Lime Cement wash Chalk ANSWER DOWNLOAD EXAMIANS APP
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