Building Materials Refractory bricks resist All listed here Chemical action High temperature Dampness All listed here Chemical action High temperature Dampness 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 Equal to 1 Less than 1 in beams but greater than 1 in channels Greater than 1 Less than 1 Equal to 1 Less than 1 in beams but greater than 1 in channels Greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen completely dissolves in Carbon bisulphide Coal tar Chloroform All of these Carbon bisulphide Coal tar Chloroform All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 75, 10, 15 10, 15, 75 15, 75, 10 10, 75, 15 75, 10, 15 10, 15, 75 15, 75, 10 10, 75, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main function of alumina in brick earth is To impart plasticity To make the brick durable To prevent shrinkage To make the brick impermeable To impart plasticity To make the brick durable To prevent shrinkage To make the brick impermeable ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 25 % 10 % 20 % 15 % 25 % 10 % 20 % 15 % ANSWER DOWNLOAD EXAMIANS APP