Building Materials Pig iron is manufactured from the ores by All of these Calcination and roasting Dressing Smelting All of these Calcination and roasting Dressing Smelting ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Toughed cast iron White cast iron Mottled cast iron Grey cast iron Toughed cast iron White cast iron Mottled cast iron Grey cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Fibre glass Has a higher strength to weight ratio Is shock proof and fire retardant Retains heat-longer All listed here Has a higher strength to weight ratio Is shock proof and fire retardant Retains heat-longer All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quartzite is a Siliceous rock Argillaceous rock Calcareous rock Metamorphic rock Siliceous rock Argillaceous rock Calcareous rock Metamorphic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following sedimentary rocks changes into quartzite by metamorphic action? Gypsum Lime stone Sand stone Shale Gypsum Lime stone Sand stone Shale ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS