Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Mottled cast iron Grey cast iron Toughed cast iron White cast iron Mottled cast iron Grey cast iron Toughed cast iron White cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The lime which contains mainly calcium oxide and slacks with water, is Quick lime Hydraulic lime Fat lime Poor lime Quick lime Hydraulic lime Fat lime Poor lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most fire resistant paints are: Enamel paints Cement paints Aluminium paints Asbestos paints Enamel paints Cement paints Aluminium paints Asbestos paints ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood is made from Teak wood only Asbestos sheets Bamboo fibre Common timber Teak wood only Asbestos sheets Bamboo fibre Common timber ANSWER DOWNLOAD EXAMIANS APP
Building Materials The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is Less than 1 Less than 1 in beams but greater than 1 in channels Equal to 1 Greater than 1 Less than 1 Less than 1 in beams but greater than 1 in channels Equal to 1 Greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Defects caused by crushing fibres Signs of branches cut off Speckled strains Splits radiating from the centre Defects caused by crushing fibres Signs of branches cut off Speckled strains Splits radiating from the centre ANSWER DOWNLOAD EXAMIANS APP
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