Building Materials The slump recommended for mass concrete is about 25 mm to 50 mm 50 mm to 100 mm 100 mm to 125 mm 125 mm to 150 mm 25 mm to 50 mm 50 mm to 100 mm 100 mm to 125 mm 125 mm to 150 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials The standard size of masonry bricks, is 21 cm x 11 cm x 11 cm 20 cm x 10 cm x 10 cm 18 cm x 8 cm x 8 cm 19 cm x 9 cm x 9 cm 21 cm x 11 cm x 11 cm 20 cm x 10 cm x 10 cm 18 cm x 8 cm x 8 cm 19 cm x 9 cm x 9 cm ANSWER DOWNLOAD EXAMIANS APP
Building Materials Glazing of clay products, is done To protect them from corrosive action To protect them from atmospheric effect To improve their appearance All listed here To protect them from corrosive action To protect them from atmospheric effect To improve their appearance All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Fibre glass Is shock proof and fire retardant All listed here Has a higher strength to weight ratio Retains heat-longer Is shock proof and fire retardant All listed here Has a higher strength to weight ratio Retains heat-longer ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
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