Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 80 : 13 : 7 70 : 20 : 10 60 : 35 : 5 None of these 80 : 13 : 7 70 : 20 : 10 60 : 35 : 5 None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 10, 75, 15 75, 10, 15 10, 15, 75 15, 75, 10 10, 75, 15 75, 10, 15 10, 15, 75 15, 75, 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plaster of Paris is obtained by calcining None of these Lime stone Bauxite Gypsum None of these Lime stone Bauxite Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done To paint its surface To remove water To increase its temperature To make it water proof To paint its surface To remove water To increase its temperature To make it water proof ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following polymers is obtained from condensation polymerization? Melamine-formaldehyde Phenol formaldehyde Carbamide All of these Melamine-formaldehyde Phenol formaldehyde Carbamide All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Forge pig may be converted to wrought iron by Rolling Refining Shingling Pudding Rolling Refining Shingling Pudding ANSWER DOWNLOAD EXAMIANS APP